The City of Riverside (“City”) is seeking to pre-qualify entities or individuals (“Companies”) and create four panels of qualified Companies to provide on-call professional services for:
Additional Details
Department: General Services
Pre-Bid Meeting: September 9, 2026 at 2:00 PM
Q&A Deadline: September 16, 2026 at 2:00 PM
Required Submittals: Response File, General Attachment (optional)
The City of Riverside is seeking to pre-qualify entities or individuals and create four panels of qualified companies to provide on-call professional services for: 1. Professional Construction Contract Management; 2. Geotechnical Engineering, Construction and Materials Testing, and Licensed Deputy Inspection; 3. Architectural engineering/Building engineering; 4. Cost estimation.
We post new architecture and design opportunities in California as agencies publish them. Get them in one email — free, and unsubscribe whenever.
Most California work asks for the two below, and the solicitation documents are where it’s stated. One prequalification covers both — on this bid and the next.
A surety’s written statement that it expects to bond you up to a stated amount, subject to final underwriting. It’s what a GC or agency asks to see before they take your bid seriously.
| Company | Contact | Location | Phone |
|---|---|---|---|
| 19six Architects | Veronica Randa | Corona | 951-444-5456 |
| 2R Services LLCMBE | Ricardo Arredondo | Ontario | 714-651-5504 |
| 4LEAF, Inc.CADIR | Rachael Fader | Pleasanton | 925-462-5959 |
| A1 Management & Inspection, IncDBE, WBE, DGS, CADIR, VSBE, MICRO | Pooya Kadkhoda | Los Angeles | 310-909-4244 |
| AARC Consultants, LLCMBE, WBE | Rick Chainani | Los Angeles | 833-493-2272 |
| Aaron Neubert Architects, Inc | Darrell Neubert | Los Angeles | 323-953-4700 |
| abrown.biddingus@gmail.com | Alice Brown | Riverside, California | 555-555-5555 |
| Accenture Infrastructure and Capital Projects, LLCCADIRPre-bid attendee | Caroline Kendall | Irvine | 310-726-2700 |
| Acton Architecture, IncPre-bid attendee | Matthew Acton | La Verne | 909-344-2728 |
| Advance Talent Solutions IncWBE, MBE | Nisreen Aga | New York | 800-881-1663 |
| ADVANTEC Consulting Engineers, Inc.DBE, MBE, DGS, CADIRPre-bid attendee | Sherrie Gundlach | Irvine | 949-861-4999 |
| AECOM | Tricia Converse | Los Angeles | 213-500-7411 |
| AECtivity | STEPHANIE RIGOLOT | South Pasadena | 310-903-8054 |
| AESCOWBE, DBE, VSBE, CADIR | Marketing Department | Huntington Beach | 714-375-3830 |
| Aguiar Professional Training LLCDBE, MBE, WBE, DGS, FSD, MICRO | Daniel Possnack | Ontario | 909-489-8876 |
| Akima Consulting, LLCWBE, DGS, CADIR | Dr. Akima Cornell | Los Angeles | 213-816-8895 |
| Albert A. Webb Associates | Business Development and Marketing | Riverside | 951-686-1070 |
| Allana Buick & Bers, Inc.MBE | Khatidja Khalfan | Palo Alto | 650-543-5600 |
| Allied Solutions | Jason Collier | Carmel | 877-328-4432 |
| Altmayer Consulting, Inc.MICRO | Tom Altmayer | Pasadena | 626-399-1486 |
| Andrew Benton ArchitectureMICRO, DGS | Andrew Benton | La Jolla | 858-459-0805 |
| APEX Environmental & Water Resources | Roohi Toosi | Fullerton | 949-491-3049 |
| Aqua Community Relations Group | Paula Roberts | San Diego | 619-794-4604 |
| Aragon Geotechnical, Inc. (DBE)DBE, MBEPre-bid attendee | Fernando Aragon | Riverside | 951-776-0345 |
| ARCOR INC. | Leron Schraibman | San Diego | 858-481-4494 |
| Ardurra Group, Inc. | Ivy Mendoza | Miami | 559-500-4750 |
| Arellano AssociatesDGS, DBE, MBE, WBE, CADIR | Rebecca Rice | Chino Hills | 909-627-2974 |
| arobles@intelactual.ioDGS, CADIR | Anthony Robles | Rancho Cucamonga | 949-414-7497 |
| Arthur LLC | Arthur Ley | New York | 212-555-1234 |
| Ascent Environmental, Inc.DGS, CADIR | Christy Ryan, CPSM | San Diego | 916-444-7301 |
| Associated General Contractors SD Chapter | Plan Room | San Diego | 858-558-7444 |
| Atherton Management and ConsultingCABE, DGS, MICRO, CADIR | John Atherton | Lakeside | 951-692-8938 |
| Auriga CorporationMBE, DBE, DGSPre-bid attendee | Bhavana Sringeri | Milpitas | 408-946-5400 |
| AUX ArchitectureCABEPre-bid attendee | Amanda (Sigafoos) Prevendar | Los Angeles | 213-568-3578 |
| Azimuth Zero Inc.CADIR, DGS, CABE | Evan Jansen | El Segundo | 949-394-4248 |
| Barr & Clark, Inc. | Matt Crochet | Huntington Beach | 714-894-5700 |
| Bell Burnett & Associates | Drew Atwater | San Francisco | 818-935-0205 |
| Berg & Associates, Inc.DGS, DBE | alicia@bergcm.com | San Pedro | 310-548-9292 |
| BFK | Brian Knight | Pasadena | 626-823-0150 |
| BKF Engineers | Devon Kurcina | Oakland | 925-878-5143 |
| BKINGENTERPRISES LLCMBE, WBE | Briana King | moreno valley | 951-531-4202 |
| Blackburn ConsultingDGS, CADIR | Becky Schueler | Escondido | 530-887-1494 |
| Blais & Associates LLC | Jordan Carter | Austin | 949-589-6338 |
| bluEvolution | Adam Rinderle | Costa Mesa | 949-777-6980 |
| BPR Consulting GroupDGS | Ron Beehler, SE, CBO | Ontario | 916-562-3600 |
| Brookwood Group LLCVSBE | Suheil Walker | Atlanta | 404-759-5782 |
| BSB Design | Steve Krob | Torrance | 515-273-3020 |
| Bureau Veritas North America, Inc. | Richard Henrikson | Irvine | 949-289-8995 |
| Burns Engineering, Inc. | Sally Salvatorelli | Philadelphia | 215-979-7700 |
| C2PMMBE, WBE, DBE, DGS, VSBE, MICRO, FSD, CADIR, CUC, FBEPre-bid attendee | Shereen Hayes | Los Angeles | 949-333-3700 |
| CAJA Environmental Services, LLC | Andrea Schultz | Chatsworth | 310-469-6702 |
| Calvada Surveying, Inc.DVBE, MBE, DGS, CADIR, CUC | Dahlia Lugo | Corona | 951-280-9960 |
| Capital Partnerships Inc.MICRO, CUC | Davis R. Schwartz | San Francisco | 415-759-0977 |
| Capo Projects GroupPre-bid attendee | Caitlin Hackstedde | San Clemente | 949-500-6196 |
| Carter Miller Ou IncDGS, CADIRPre-bid attendee | Garrett Miller | Riverside | 323-627-9726 |
| CASC Engineering and Consulting Inc. | Amy | Riverside | 951-313-4577 |
| Century Engineers Inc.MBE, DGS, MICRO | Ronson Provido | Buena Park | 323-847-2668 |
| Certerra RMA GroupCADIR | Stefanie Berumen | Rancho Cucamonga | 909-989-1751 |
| CHA Consulting, IncCADIR | Tammy Phillips | Temecula | 951-549-9600 |
| Channel Architect LLCCABE | Thomas Hanson | Santa Barbara | 858-248-6054 |
| Citadel CPM, Inc.DGS, CADIR | Fadi Rassam | Pasadena | 626-796-7926 |
| Citadel Environmental Services, Inc.DGS | Catherine Hughes | Glendale | 818-246-2707 |
| CITY DESIGN STUDIO LLCMBE, DGS, CUC, DBE, CADIRPre-bid attendee | Farooq Ameen | Los Angeles | 213-222-8136 |
| Civilsoft ConsultingFBE | Joseph Gomez | San Dimas | 818-877-6753 |
| Compaction Consulting Inc | Bryan Sanchez | Chino | 949-678-7913 |
| Consulting Group, LLC | Roozbeh Afzal | Ventura | 818-854-5493 |
| CR AssociatesDBE | CR Associates | San Diego | 619-795-6086 |
| Craftwater Engineering, Inc.DVBE, MICRO | Craftwater Marketing | San Diego | 626-838-1644 |
| Crawford & Associates | Sarah Crawford | Sacramento | 916-455-4225 |
| CSG Consultants, Inc. | Marketing | Redlands | 650-522-2500 |
| Cumming Management Group IncPre-bid attendee | Dasha Band | Los Angeles | 323-855-4710 |
| CWEDBE, MBE, DGS, CADIR | Jason Pereira | Fullerton | 714-526-7500 |
| D R Consultants & Designers, Inc.DGS, CUC, MBE, DBE, WBE | Louis W. Flores, PE | Los Angeles | 909-213-3957 |
| Darnell Technical Services, Inc.MBE, WBE, DBE, DGS, CADIR | Andre Pirl | SANTA ANA | 714-285-0082 |
| David Beckwith and Associates, Inc.DGS, MICRO, CADIR | David Beckwith | Rancho Cucamonga | 714-349-7007 |
| David Evans and Associates, Inc. | Anna Flores | Ontario | 909-481-5750 |
| Degenkolb EngineersPre-bid attendee | Deena Weiner Widran | Los Angeles | 213-596-5000 |
| Deloitte | Cinnamon Cook | Sacramento | 916-288-3228 |
| Design West EngineeringPre-bid attendee | Jeremy Richard | San Bernardino | 909-890-3700 |
| Dharam ConsultingMBE, CADIR | Molly Manner | San Francisco | 949-304-3099 |
| Dokken Engineering | Dokken Engineering | Folsom | 916-858-0642 |
| Dorado Company, Inc.DGS, MICRO | Jack McGregor | Irvine | 949-294-6933 |
| Douglas B Lau Architect, IncCADIR | Douglas Lau | Pasadena | 626-688-4446 |
| DTA Public Finance, Inc. | Colleen Liao | Irvine | 800-969-4382 |
| Dynamic Engineering Services, Inc.DBE, MBE, CADIR, WBEPre-bid attendee | Chia-Chi Wang | Corona | 951-471-8890 |
| Earth Systems | Christy Serpa | Bermuda Dunes | 805-781-0112 |
| Economic Growth StrategiesMICRO | Paul Saldana | Exeter | 559-671-1000 |
| EcoNomics, Inc.DGS | Trevor Blythe | Dana Point | 858-886-6657 |
| ECORP Consulting, Inc.DGS, CADIR | Natalie Newman | Redlands | 714-648-0630 |
| EcoTierra Consulting, Inc. | Jenny Mailhot | Los Angeles | 213-235-4770 |
| EDM International, Inc. | Tyler Lonsdale | San Diego | 970-204-4001 |
| EDM Services, Inc.WBE, CADIR, DBE | Kathleen Escobar | Simi Valley | 805-527-3300 |
| ELMT Consulting, IncDGS | Mark Sur | Santa Ana | 714-716-5050 |
| ELSDGS | Diana Banh | Los Angeles | 213-348-1155 |
| Emerald Ocean InsightsDGS, MICRO, MBE | Robert del Prado | LOS ANGELES | 917-605-0418 |
| Energeia USADBE, DGS, WBE | Ceri Beeman | Davis | 530-302-3861 |
| EnSafe IncPre-bid attendee | Melissa Smith | Long Beach | 562-317-3024 |
| Enterris Associates, Inc.DGS, MICRO, MBE, CADIR, VSBE | Anh Case | Costa Mesaa | 714-423-8171 |
| Environmental Science AssociatesCADIR | SoCal Marketing | Rancho Cucamonga | 949-753-7001 |
| Epicus Group LLCDGS, DVBE, MBE | Sarah McCabe | San Diego | 610-420-5843 |
| FCG Consultants, Inc.DGS, DBE, CADIR | Abdallah Fakhouri | Yorba Linda | 714-312-0317 |
| Fehr & PeersCADIR | Jason Pack | Irvine | 951-274-4800 |
| Fenagh Engineering and TestingPre-bid attendee | Justin Harr | Rancho Cucamonga | 909-587-6374 |
| Forde Biological Consultants | Montgomery Forde | Santa Rosa Valley | 805-402-5338 |
| Frontier Engineering GroupDGS | Khaled Allam | Irvine | 949-329-3644 |
| Fullerton Consulting Partners | Jeffrey Fullerton | Aliso Viejo | 310-500-8807 |
| G3 Quality, Inc.DGS, CADIRPre-bid attendee | Jessica Corson | Redlands | 562-321-9840 |
| Gafcon PM-CM LLC | Stephen Johnson | San Diego | 858-875-0010 |
| GCAP Services, Inc.DBE, DGS, CUC, MICRO, MBE, CADIR | Edward Salcedo, Jr. | Costa Mesa | 714-800-1795 |
| GenSigma LLCDGS, MBE | Vijay Thirumalai | San Francisco | 888-744-6287 |
| Geo-Advantec, Inc.DGS, VSBE, MICRO, CADIR | Lisa Anderson | San Dimas | 909-305-0400 |
| Geocon | Neal Berliner | Murrieta | 951-304-2300 |
| GeoMat Testing Laboratories, Inc.DGS, VSBE | Haytham Nabilsi | Riverside | 951-688-5400 |
| GEOSOILS INCDGS, CABE, CADIR | Lara | Carlsbad | 949-668-0608 |
| GeoTek CA Inc.CADIR | Larry Novasel | Corona | 951-407-0795 |
| GO Architects, Inc.Pre-bid attendee | Dennis Roney | Upland | 909-532-5590 |
| Go2Zero StrategiesCABE, DBE, FSD, WBE, CADIR, MICRO | Judi Gregory | Irwindale | 877-462-9376 |
| Gomez Research Inc. DBA "Public Values Research" | Sophia T. Gomez | Pasadena, California | 626-795-4880 |
| GovGuide | Connor Fusselman | Arlington | 407-619-6738 |
| GradfordDGS, CADIR | Preconstruction | Sacramento | 951-497-8350 |
| Griffin Structures, Inc.CADIRPre-bid attendee | Stephanie Burdo | Irvine | 949-497-9000 |
| GSA Contract Services, LLC | Sarah Vine | Wilmington | 202-280-7019 |
| H.W. Lochner. Inc.CADIR | Lochner | Ontario | 323-260-4703 |
| Hanson Associates | Tom Hanson | Danville | 925-648-9326 |
| Harris & Associates, Inc. | Marianne Fargas | Concord | 925-588-6128 |
| HDR Engineering, Inc | SoCalWBG | Irvine | 714-730-2472 |
| HDR Engineering, Inc.CABE, CADIR | Lara Paulino | Riverside | 951-320-7300 |
| Herrera Environmental Consultants | Lily Schreder | Seattle | 530-440-4769 |
| Higginson Architects Inc | David Higginson, AIA | Redlands | 909-797-1924 |
| Hill Architects, PCWBE | Samantha Hill | South Pasadena | 747-900-2082 |
| Hilltop Geotechnical, Inc.DGS | Michael Carrillo | San Bernardino | 909-890-9079 |
| HKA Global, LLC | Jenny Domginguez | Los Angeles | 267-831-2867 |
| HLCM INCDGSPre-bid attendee | Sarah Larsen | Orange | 613-581-7964 |
| HMC Architects | Rebekah Roth | Ontario | 909-340-9056 |
| Hoch Consulting | Adam Hoch | Oceanside | 858-431-9767 |
| Holt Architects, Inc.DGS, CADIR | Thomas Howell | Palm Desert | 760-328-5280 |
| Hu Architecture Inc.Pre-bid attendee | Duc-Huy Huynh | Westminster | 714-476-4751 |
| IDS Group, Inc. | Said Hilmy | Irvine | 949-385-8500 |
| Impact Cx | Quoc Pham | Irvine | 909-240-9437 |
| Infractiv, LLCDGS | Harris Siddiqui | Sunnyvale | 408-422-5797 |
| Insight Structural EngineersDGS, CADIR, VSBE, CABE | Brent Blackman | El Segundo | 310-640-0123 |
| Integrated Sustainability | Royata | Carlsbad | 778-875-4620 |
| Interwest Consulting Group | Nina S Hegyi | Huntington Beach | 858-336-9988 |
| Interwest Consulting Group, Inc. | Jessica Koehler | Irvine | 954-766-2707 |
| Iron Grid Elite SolutionsDVBE, MICRO | Robert Torrales | Lake Elsinore | 951-818-2185 |
| ITZEN ArchitectsPre-bid attendee | Jana SB Itzen | Santa Ana | 714-716-5042 |
| J. Smith & T. Muli, Inc.DGS, DBE, MBE, CADIR | Jonis Smith, PE | LAGUNA HILLS | 949-329-3639 |
| JOA GroupDBE, MBE, DGS, CUCPre-bid attendee | Scott Simpson | Newport Beach | 714-336-0686 |
| John A. Martin Structural Engineers, Inc.DGS, CADIR | Grace Won | Los Angeles | 213-785-3123 |
| John Wyka Architecture, IncvVSBE | John Wyka | Santa Monica | 310-428-2970 |
| Johnson FainDGS | Business | Los Angeles | 323-224-6000 |
| Johnson FavaroDGS | Jim Favaro | Culver City | 310-559-5720 |
| Justice Engineering CorpDGS, VSBE, MICRO, CADIR, CABE, VBE, DVBE | Tim Lincoln | Lakewood | 916-261-2446 |
| K+R DESIGN INCMBE | Andres Chaves | Pasadena | 909-809-0827 |
| Kane Construction Services, Inc.MBE, WBE, DBE, DGS, VSBE, FBE, MICRO, CADIR | Dinukshi Kane | Burbank | 818-793-3721 |
| Kaplan Chen KaplanVSBE | David Kaplan | Santa Monica | 310-452-7505 |
| KFA, LLP | Chad Yussman | Culver City | 310-399-7975 |
| KGS Group International Inc. | Pursuit | Bellevue | 425-449-8944 |
| KH Consulting GroupFSD, MICRO, VSBE | Heather Sims | Los Angeles | 310-203-5417 |
| KHATRI INTERNATIONAL INC.FSD, MICRO, DBE, DGS, MBE, VSBE | Dilip Khatri | Pasadena | 626-475-7660 |
| Kimley-Horn and Associates, Inc. | CA Marketing | Orange | 714-939-1030 |
| Kleinfelder | Robert Kovacs | Riverside | 951-801-3681 |
| Kleinfelder Construction ServicesCADIR | Patricia FoustRezig | Riverside | 858-223-8499 |
| Koury Engineering & Testing, Inc.Pre-bid attendee | Bridget Sherman | Chino | 909-606-6111 |
| KYLE Groundwater, Inc. | Russell Kyle | Upland | 626-379-7569 |
| Kyndryl, Inc. | Jeanie French | New York | 949-357-3485 |
| LAD Aviation Inc. | David Kudlinski | Murrieta | 800-408-9016 |
| Ladayu Consulting GroupPre-bid attendee | Oranos Mekwian | Palos Verdes Estates | 925-464-6356 |
| LAE Associates, Inc.Pre-bid attendee | LAE Team | Placentia | 714-993-2840 |
| Larry Walker AssociatesDGS | Karen Ashby | Davis | 530-753-6400 |
| LC Electric GroupFBE, VSBEPre-bid attendee | Lixy Cristal Alzamora | Menifee | 949-872-4895 |
| LEHRER ARCHITECTS LA, INC.DGS, MICRO, CADIR | LEHRER ARCHITECTS | LOS ANGELES | 323-664-4747 |
| Lilburn Corporation | Cheryl Tubbs | San Bernardino | 909-890-1818 |
| LIN Consulting, Inc.DBE, MBE | Denwun Lin | Diamond Bar, CA | 909-396-6850 |
| Live Aligned Integrative Therapy & Consulting, A Licensed Clinical Social WorkerWBE, DGS | Cortney A Harden | Windsor | 707-484-2822 |
| LOR Geotechnical Group, Inc.CADIRPre-bid attendee | Tony Guillen | Riverside | 951-653-1760 |
| LSA Associates, Inc. | Shira Eilenberg | Irvine | 949-553-0666 |
| Marsh and Mallow Land Resources Consulting LLC | Darian Wong | Upland | 510-710-1061 |
| Martinez + Marin ArchitectureDGS, MBEPre-bid attendee | Rudy Marin | Orange | 213-500-8516 |
| Marx Okubo AssociatesCABE | Chris Geier | Denver | 949-385-8047 |
| Matrix Consulting Group LTD | Alan Pennington | San Mateo | 650-858-0507 |
| Matzinger Keegan Inc | Stephanie Montoya | irvine | 626-344-5800 |
| MGT Impact Solutions, LLC | Malony Allen | Tampa | 888-302-0899 |
| Michael Baker International | Debi Bright | San Diego | 858-614-5045 |
| Michael Hendrix Consulting | Michael Hendrix | Hesperia | 951-236-1896 |
| midwestvalleycorp@gmail.com | COPPER LANE | Kansas City | 888-888-2546 |
| MJHama, LLCPre-bid attendee | Milo Hama | Carlsbad | 760-803-3898 |
| Morgner Construction Management | Isabella Canani | Los Angeles | 626-660-6603 |
| Mountainview Biological ConsultingWBE, MICRO | Vanessa Blackstone | Murrieta | 909-273-7276 |
| mrivaldi@hotelinvestmentgroup.comDGS, CABE, MBE, CADIRPre-bid attendee | Mark Rivaldi | San Diego | 619-871-7399 |
| MSA Consulting, Inc. | Bridgette Rowe | Rancho Mirage, CA | 760-320-9811 |
| MSW ConsultantsDGS, CABE | David Davis | Murrieta | 951-694-4001 |
| MTGL Inc.MBE, WBE, DBE, CADIR, CUC | Genevieve Solon | Riverside | 951-653-4999 |
| Murex Environmental, Inc. | Stavro Pilafas | Irvine | 714-508-0800 |
| NBA Engineering | Kristin Stoddart | Los Angeles | 415-225-9733 |
| NCE | Rylie Renall Bellinger | Point Richmond | 510-215-3620 |
| NCE | So Cal Marketing | Fountain Valley | 714-848-8897 |
| Net ForceDGS, VSBE, MICRO | Josh Chin | City of Industry | 951-638-3672 |
| Ninyo & Moore Geotechnical & Environmental Sciences ConsultantsCADIR | Plan Room | Irvine | 949-753-7070 |
| NJP ArchitectVSBE, FBE, CABE | Natalie J. Park | Riverside | 951-481-7475 |
| Northern Digital, Inc.MBE, DGS, CADIR | Enrique Hernandez | Bakersfield | 661-322-6044 |
| NV5 Environmental, LPCADIRPre-bid attendee | Robyn Vallejos | Irvine | 949-419-3030 |
| NV5, Inc.Pre-bid attendee | Kamala Kuresman | San Diego | 619-549-5265 |
| nwhitney@lelandsaylor.comDGS | Nicole | Los Angeles | 310-207-6900 |
| OCMI INCPre-bid attendee | Alison Murphy | Irvine | 949-476-2094 |
| One Echo Inc.DGS, DVBE | Jose Mendez | Riverside | 714-492-0413 |
| ONYX Architects, Inc.DGS, CADIR, VSBE | KM Buttrey | Pasadena | 626-405-8001 |
| Opticos Design | Julie Ann Nepomuceno | Berkeley | 510-809-9508 |
| Orlando Torres, CPADGS, MICRO | Orlando | Temecula | 951-414-7100 |
| Overland, Pacific & Cutler | Business Development | Long Beach | 562-304-2000 |
| P2S Inc. | Tan Diep | Long Beach | 562-384-5131 |
| Pacific Advanced Civil Engineering, Inc.DGS, CADIR, CABE | Michelle Hoalton | Fountain Valley | 714-481-7203 |
| Pacific Consulting Group | Nathaniel Kupkowski | Costa Mesa | 630-303-1092 |
| Pacifica Services, IncMBE, DGS | Jeffrey E Camacho | Pasadena | 626-405-0131 |
| Page&Turnbull, Inc. | Rigo Cortez | Los Angeles | 213-221-1200 |
| PARIKH Consultants, Inc. | Rene Ramsay | Milpitas | 408-452-9000 |
| Partner Assessment Corporation | Mike Cunneen | Torrance | 951-233-4062 |
| PBK | Brent Gonzales | Rancho Cucamonga | 909-987-0909 |
| PBLA Engineering, Inc.CADIR | Marketing | Irvine | 888-714-9642 |
| Perkins Eastman ArchitectsPre-bid attendee | Melissa Mickle | Los Angeles | 714-824-3572 |
| Pfeiffer Partners Architects Inc. | Sharon Murphy | Los Angeles | 213-624-2775 |
| PMA Consultants LLCMBE | Tristan Burno | Seal Beach | 156-263-7797 |
| Project Partners, Inc.DBE, MBE, DGS, CADIRPre-bid attendee | Kimo Look | Laguna Hills | 949-852-9300 |
| Project Professionals CorporationPre-bid attendee | Jennifer Gubbe | La Mesa | 858-634-8180 |
| Prufen, LLC | Brandon Rosenthal | Corona | 951-316-5959 |
| PsomasCADIRPre-bid attendee | Emily Dowgiallo | Riverside | 951-787-8421 |
| Public Works Consulting Engineers, Inc. | Mike Benyamin | Beverly Hills | 310-435-6161 |
| RADgov, Inc.WBE | Ellen Loprette | Fort Lauderdale | 954-938-2800 |
| Ranger Roofing and SolarCADIR | Chad A Kozak | Malibu | 619-748-9663 |
| Rayaec Inc.FBE, MICRO, MBE, WBE | Alex Seymour | Pasadena | 310-848-7648 |
| RE ServicesCUC, DGS, DBE, MICRO, MBEPre-bid attendee | Solomon Choi | san diego | 858-200-5979 |
| Reddy Engineering Services, Inc.DBE, MBE, CADIR, MICRO | David Preciado | San Diego | 619-887-0833 |
| Regents and Park | jason james | Huntington Beach | 949-903-2524 |
| RFPGo | Daniel | Seattle | 206-569-5947 |
| RHA Landscape Architects-Planners, Inc. | Doug Grove | Riverside | 951-781-1930 |
| Rick Engineering CompanyCADIR | Marketing Manager | Riverside | 951-782-0707 |
| RKA Consulting Group | Dulce Aguilera | Walnut | 909-594-9702 |
| RMA COMPANIESPre-bid attendee | TIM SAENZ | RANCHO CUCAMONGA | 310-753-8300 |
| Roshanian and Associates, Inc. | Alan Roshanian | Calabasas | 323-533-4660 |
| RRM Design Group | Annie Wessels | San Luis Obispo | 805-543-1794 |
| RWBID Construction ManagementCADIR | Matthew Feldhaus | Hermosa Beach | 626-888-9411 |
| Saiful Bouquet Structural EngineersDGS, MBE, CADIR | Amber Pauli | Los Angeles | 121-331-5227 |
| SALEM Engineering Group, Inc.DGS | Maria G. Ruvalcaba | Fresno | 909-489-8515 |
| Schmidt Design Group, IncDGS | Reyna Adams | San Diego | 619-236-1462 |
| Shadpour Consulting Engineers, LPCADIR | Stefanie Johnson | San Diego | 858-946-0333 |
| Simply SocialFBE | Trish Porter | Sacramento | 916-827-9094 |
| Skyline Consultants, IncDBEPre-bid attendee | Maliha Malik | Norco | 951-316-6408 |
| SmithGroupPre-bid attendee | Daniel Carfora | San Francisco | 415-365-3412 |
| Soar Environmental Consulting, Inc.DVBE, DGS | Kristy Harris | Fresno | 916-612-0035 |
| Specs Engineering Group Inc.CADIR, DBE, DGS | Jose Burbano | Ontario | 626-497-8124 |
| STC Traffic, Inc.DGS, CADIR, MICRO | Jason Stack, TE, PTOE | Carlsbad | 760-602-4290 |
| Steinberg Hart | Steinberg Hart | San Jose | 408-295-5446 |
| Steven S Rupp | Steve Rupp | El Dorado Hills | 916-390-0432 |
| Studio One ElevenPre-bid attendee | Giulia Triassi | Long Beach | 562-901-1500 |
| Studio-MLA (legal: MLA Green, Inc.)FBE, MBE, DGS, DBE | Jan Dyer | Los Angeles | 213-384-3844 |
| SVA Architects, Inc.Pre-bid attendee | Judy Cheng | Santa Ana | 949-809-3380 |
| SWCA Incorporated | Nancy Dalman | Pasadena | 626-240-0587 |
| Swinerton Management & Consulting, LLCCADIR | Lillian Martin | San Diego | 415-984-1308 |
| SWS2 Inc. | Wende Morishige | Cypress | 714-821-6699 |
| T & B Engineering IncDBE, MBE | Mark Ballou | Riverside | 951-684-6200 |
| T.Y. Lin InternationalCADIR | Terrance James | Ontario | 646-264-2551 |
| TAIT & Asspciates, Inc.CADIR | Christina Christensen | Santa Ana | 714-560-8200 |
| Talent Portus Inc. | Nick sharma | sterling | 057-138-7198 |
| TCCG Tech Coast Consulting Group LLCMICRO, VSBE, VBE | Dr. Wallace Walrod | Irvine | 949-280-5492 |
| Terracon Consultants. Inc.CADIR, CABEPre-bid attendee | Mary Gunnison | Colton | 949-261-0051 |
| Tetra Tech | Jason Fussel | Irvine | 805-305-0150 |
| Tetra Tech BAS, Inc.Pre-bid attendee | Donna Smith | Diamond Bar | 909-860-7777 |
| TGR Geotechnical, Inc. | Sanjay Govil | Santa Ana | 714-641-7189 |
| The American EngineersDBE, MBE, DGS | Ramon Edrick Hilario | Los Angeles | 310-760-6020 |
| The Future Organization LLCMICRO, VSBE | The Future Organization LLC | Pasadena | 626-429-1259 |
| The Personal Growth Company LLCVSBE, FBE | Carolann McGough | Anaheim | 714-818-2278 |
| The Quality FirmMBE, DBE, DGS, FSD | Melissa Siciliani | Signal Hill | 714-470-3318 |
| The Soyemi Group, LLCDGS, DBE, FSD, MICRO, MBEPre-bid attendee | Sanya Soyemi | Riverside | 909-838-8614 |
| TKE EngineeringDGS | Claire Thornton | Riverside | 951-680-0440 |
| TNI Architects, Inc.DGS, CUC, MICRO, CADIR | Robert Ancill | Woodland Hills | 818-448-9888 |
| Toole Design Group, LLC | Amy Boehmer | Silver Spring | 301-927-1900 |
| TOR Engineering CorporationCABE | Steve Nappa | Phoenix | 602-437-1676 |
| totumPre-bid attendee | Gianni Zatta | Sherman Oaks | 818-422-9662 |
| TR Design Group, Inc.DGS, CADIR, MICROPre-bid attendee | Thomas Riggle | Riverside | 951-742-7179 |
| Transtech Engineers, Inc. | Okan Demirci | Chino | 909-595-8599 |
| TransTech SystemsDGS, MICRO | BJ Meder | Irvine | 949-262-0400 |
| TRB + Associates, Inc.DGS | Shelley Loughran | Long Beach | 562-566-4144 |
| TRB and Associates, Inc.DGS | Shelley Loughran | Long Beach | 916-698-4114 |
| TSK Architects | Jonathan Richert | Los Angeles | 213-614-0900 |
| Turner & Townsend Heery | Susan Wold | Los Angeles | 503-936-7551 |
| Twining, Inc.CADIR | Michael Molina | Riverside | 951-552-0031 |
| TYLin | Harmik Aghanian | Ontario | 818-653-9028 |
| UES Professional Solutions, Inc.CADIRPre-bid attendee | Robert Oros | Riverside | 760-912-6598 |
| UltraSystems Environmental - WBE-DBE-SBEDBE, WBE, DGS, CADIR, CUC | Betsy A. Lindsay | Irvine | 949-788-4900 |
| Universal Engineering Sciences, LLC | Brian Meikle | Orlando | 407-536-9213 |
| Upland Hydrogeology ConsultingDGS, MICRO, FSD | Sean Culkin | South Lake Tahoe | 510-502-4302 |
| Valued Engineering, Inc. | Jeff Meiter | Upland | 909-982-4601 |
| Vanir Construction Management, Inc.MBE, WBE, CADIRPre-bid attendee | Stephanie Sweeny | San Bernardino | 213-627-7371 |
| Vasquez & Company LLPMBE | Roger Martinez | Glendale | 213-873-1703 |
| Verde Design | Chris Giannini | Riverside | 951-221-3142 |
| Vertebrae Architecture Inc.DGS, CUC, CABE, FBE, MICRO, CADIR, WBE | Mark Gee | Los Angeles | 424-273-4426 |
| Vidhwan IncMBE | Neil Mitra | San Jose | 408-625-7493 |
| Viridis ConsultingMBE, MICROPre-bid attendee | Mabell Garcia Paine | Pasadena | 323-356-2754 |
| VRPA Technologies, Inc.DGS, CADIR, WBE, MICRO | Jeff Stine | Fresno | 559-271-1200 |
| Water Systems Consulting, Inc. | Kirk Barron | San Luis Obispo | 805-457-8833 |
Source: City of Riverside (solicitation 145796), retrieved via a public procurement portal. View the official posting, and always confirm requirements and deadlines with the issuing agency.