Sacramento Regional Transit Planholder List
Transitional Analysis, Environmental and Engineering Services for the Downtown-Natomas-Airport Rail
Contract #
2008003
Vendor Name Rep Address City State Zip Phone Fax
4LEAF, Inc. Bert Gross 8896 North Winding Way Fair Oaks CA 95628 (916) 965-0010 (916) 965-0013
AECOM CONSULTING TONI Horst 3101 Wilson Blvd., Suite 400 Arlington VA 22201 (703) 682-5070
AEI CONSULTANTS Greg Griffin 2500 Camino Diable Suite 200 Walnut Creek CA 94597-3940 (925) 283-6000 (925) 283-6121
Alpha Analytical, Inc. Edana Fruciano 9921 Horn Road, Suite B Sacramento CA 95827 (916) 366-9089
Andregg Geomatics Tom Holmberg 11661 Blocker Drive, Suite 200 Auburn CA 95603 (530) 885-7072 (530) 885-5798
Anil Verma Assoc., Inc. Vic Zikoor 1970 Broadway, Suite 525 Oakland CA 94612 (510) 535-2537 (510) 834-4121
ARUP Qiyu Liu 901 Market St., Ste. 260 San Francisco CA 94103 (415) 946-0607
BKF Engineers Jennifer Colosi 980 9th Street, Suite 1770 Sacramento CA 95814 (916) 556-5801 (916) 556-5899
BRG ENGINEERING Noel J Suan 3841 N Freeway Blvd, Suite 175 Sacramento CA 95834 (916) 566-1166 (916) 566-1161
BROWN & CALDWELL Kristen Hessinger 10540 White Rock Road, Suite 180 Rancho Cordova CA 95670 (916) 853-5388
BSK & ASSOCIATES JOE Zilles 3140 Gold Camp Dr #160 Rancho Cordova CA 95670 (916) 853-9293 (916) 853-9297
Burrell Engineering Jerry Aplass 1001 Enterprise Way, #100 Roseville CA 95678 (916) 536-1900 (916) 536-1990
CAMBRIDGE SYSTEMATICS INC. Wendy Williamson 555 12th Street, Suite 1600 Oakland CA 94607 (510) 873-8700 (510) 873-8701
CARLTON ENGINEERING, INC. LINDA Sinnwell 3883 Ponderosa Rd Shingle Springs CA 95682 (530) 677-5515 (530) 677-6645
CBC Surveys, Inc. Christopher B. Curtis, PLS 1300 Ethan Way, Suite 300 Sacramento CA 95825 (916) 921-9033 (916) 921-9044
CDM Bruce Corwin 2295 Gateway Oaks, Suite 240 Sacramento CA 95833 (916) 567-9900 (916) 564-5016
CH2M HILL Matthew Franck 2485 Natomas Park Dr. Suite 600 Sacramento CA 95833 (916) 286-0272 (916) 920-8463
CHAUDHARY AND ASSOCIATES, INC Arvin Chaudhary 211 Gateway Road West, Suite 204 Napa CA 94558 (707) 255-2729 (707) 255-5021
Cornerstone Engineering, Inc. Michael Boraks, PE 620 Mission Ave. Oceanside CA 92054 (760) 722-3495 (760) 722-3490
CSH Planning, Project & Construction Management Gary L. Stevens 4832 Brittney Lee Court Sacramento CA 95841 (916) 344-2667
CTA Engineering & Surveying Karen Massey 3233 Monier Circle Rancho Cordova CA 95742 (916) 638-0919 (916) 638-2479
DAVID EVANS & ASSOCIATES KATHRYN Graham 1544 Eureka Road, Suite 200 Roseville CA 95661 (916) 677-2008 (916) 781-9383
DELON HAMPTON & ASSOCIATES, CHARTERED ENOR WILLIAMS 900 7TH STREET. NW, SUITE 800 Washington DC 20001 (202) 898-1999 (202) 371-2073
DKS ASSOCIATES Pelle Clarke 8950 Cal Center Dr Ste 340 Sacramento CA 95826 (916) 368-2000 (916) 368-1020
DMJM+HARRIS, INC. Alan Boone 2020 L Street, Suite 300 Sacramento CA 95811 (916) 414-1558
DOWLING ASSOCIATES, INC. Rowena Ona 180 GRAND AVENUE SUITE 250 Oakland CA 94612 (510) 839-1742 (510) 839-0871
EARTH MECHANICS, INC. Jody Castle 7750 Pardee Land, Suite 120 Oakland CA 94621 (510) 562-8833
EARTH TECH, INC. Karen Frances Sacks 695 River Oaks Parkway San Jose CA 95134 (408) 232-2894 (408) 232-2801
EARTH TECH, INC. Maritza Acosta 2010 Webster Street, Suite 1000 Oakland CA 94612 (510) 419-4045 (510) 419-5355
ECORP CONSULTING Tami Johnson 1801 Park Court Place SANTA ANA CA 92701 (714) 648-0630 (714) 648-0935
EDAW, INC. Janet Dallas 2020 L Street, Suite 400 Sacramento CA 95811 (916) 414-5800 (916) 563-7810
ELCON ASSOCIATES (Portland) Kinh Pham 12670 Northwest Barnes Rd. Portland OR 97229 (503) 644-2490 (503) 644-2911
EM-ASSIST, INC. Mike Strock 90 BLUE RAVINE ROAD, Suite 180 FOLSOM CA 95630 (916) 355-1249 (916) 355-8445
ENGEO Inc Carrie Andreotti 2213 Plaza Drive Rocklin CA 95765 (916) 786-8883 (888) 279-2698
Entek Consulting Group, Inc. Richard Beall 4200 Rocklin Road, Suite 7 Rocklin CA 95677 (916) 632-6800 (916) 632-6812
ENTRIX, INC. Rick WILLIAMS 701 University avenue, Suite 200 Sacramento CA 95825 (916) 923-6251 (916) 923-6251
ENVIRONMENTAL SCIENCE ASSOCIATES LISA HARMON 8950 Cal Center Drive, Building 3, Suite 300 Sacramento CA 95826 (916) 564-4500 (916) 564-4501
ERM Dave Scrivner 2525 Natomas Park Drive, Suite 350 Sacramento CA 95833 (916) 924-9378 (916) 920-9378
FEHR & PEERS ASSOCIATES, INC. Jeffrey Clarke 660 J Street, Suite 390 Sacramento CA 95814 (916) 329-7332
FMG Architects Ron FINGER 330 15th Street Oakland CA 94612-0000 (510) 465-8700
GEOCON CONSULTANTS, INCORPORATED John Juhrend 3160 Gold Valley Drive, Ste. 800 Rancho Cordova CA 95742 (916) 852-9118 (916) 852-9132
GEOMATICS TRANSPORTATION SERVICES, INC. R. Lee HIXSON 1497 Gray Ave. Yuba City CA 95991 (530) 673-3787 (530) 673-3789
GEOMATRIX Laurie Schmitt 2101 Webster St., 12th Floor Oakland CA 94612 (510) 663-4100 (510) 663-4141
GEOTRANS Stephen Carlton 2969 Prospect Park Drive, Suite 100 Rancho Cordova CA 95670 (916) 853-1800 (916) 853-1860
H. T. HARVEY & ASSOCIATES liesl Bross 983 University Ave., Building D Los Gatos CA 95032 (408) 458-3215 (408) 458-3210
HDR HOYT Kieu Nguyen 660 J STREET, SUITE 444 SACRAMENTO CA 95814- (916) 448-2440 (916) 448-5305
HDR ONE COMPANY Douglas Langille 2121 N. California Blvd., Ste. 475 Walnut Creek CA 94596 (925) 974-2615 (925) 974-2533
Holdrege & Kull Consulting Engineers and Geologist Janis Johnson 792 Searls Avenue Nevada City CA 95959 (530) 478-1305 (530) 478-1019
HTA Science & Engineering Inc C. Hugh Thompson 8080 Madison Avenue Suite 100A Fair Oaks CA 95628 (916) 965-1167 (916) 965-4234
IPD Arietta Austin 830 Jefferson Blvd., Ste 20 West Sacramento CA 95691 (916) 373-1193 (916) 373-1197
JACOBS CARTER BURGESS Brian Porter 2033 Howe Ave Ste 220 Sacramento CA 95825 (916) 929-3323 (916) 929-1772
JAKES ASSOCIATES, INC. Steven Castaneda 4201 Ravenna Place Longmont CO 80503 (303) 485-3906 (303) 484-2469
JAKES ASSOCIATES, INC. J. David Mori 1940 The Alameda, Ste. 200 San Jose CA 95126 (408) 249-7200 (408) 249-7296
KATZ & ASSOCIATES, INC. Alma Paredes 1722 J St., Suite 321 Sacramento CA 95814 (916) 239-4615 (916) 492-0927
KELLCO SERVICES, INC. Cory Suppes 3137 DIABLO AVE HAYWARD CA 94545 (510) 786-9751 (510) 786-9625
KIMLEY-HORN & ASSOCIATES, INC. TONI Barela 2000 Crow Canyon Place, Suite 410 San Ramon CA 94583 (925) 543-0840 (925) 543-0839
Kittelson & Assoc Inc Meredith Frengs 610 SW Alder #700 Portland OR 97205 (503) 228-5230 (503) 273-8169
KLEINFELDER Marjorie Niskizaki 3077 Fite Circle Sacramento CA 95827 (916) 366-1701 (916) 366-7013
KM Engineering Kelly Manley 9216 Kiefer Boulevard, Suite 11 Sacramento CA 95826
Lea & Elliott, Inc. David Rojas 785 Market Street, 12th Floor San Francisco CA 94103 (415) 908-6450 (415) 908-6451
LKG-CMC, Inc. Claudia Elliott 130 S. Jackson Street, Suite 130 Glendale CA 91205 (818) 844-0800 (818) 844-0806
Lockwood, Andrews, & Newman, Inc. Timothy J. Schmidt 2150 River Plaza Drive, Suite 415 Sacramento CA 95833 (916) 564-3259 (916) 564-3253
LTK Engineering Services Bill Frandsen Fine Arts Bldg. 811 West 7th St., Ste 1200 Los Angeles CA 90017 (213) 683-1495 (213) 683-0503
MacDonald-Bedford LLC GEORGE Reyes 2900 Main St., Ste 200 ALAMEDA CA 94501 (510) 521-4020 (510) 521-8712
MARK THOMAS & CO., INC. Herminia Diaz 7300 Folsom Blvd Ste 203 Sacramento CA 95826-2622 (916) 381-9100 (916) 381-9180
Merrill Morris Partners, Inc. Cathy Merrill 249 Front Street San Francisco CA 94111 (415) 291-8960 (415) 291-9463
MGE ENGINEERING INC Jeffrey S. Crovitz, P.E. 7415 GREENHAVEN DRIVE, STE. 100 SACRAMENTO CA 95831- (916) 421-1000 (916) 421-1002
MIG, INC. Nancy KAYS 613 G Street Davis CA 95616 (530) 753-9606 (530) 753-9608
MS ENVIRONMENTAL SOLUTIONS Kimberly Goodrich 1900 BATES AVENUE, SUITE L CONCORD CA 94520 (925) 685-1376 (925) 685-5894
NANCY WHELAN CONSULTING NANCY WHELAN 221 MAIN STREET, SUITE 420 SAN FRANCISCO CA 94105 (415) 896-6945 (415) 896-6944
Neil O. Anderson & Associates VICKI Smith 902 Industrial Way Lodi CA 95240 (209) 367-3701 (209) 369-4228
NETWORK ENVIRONMENAL SYSTEMS, INC. Justin Orden 1141 Sibley St. Folsom CA 95630-3222 (916) 353-2360 (916) 353-2375
Nichols Consulting Engineers, Chtd. JENNIFER Spradlin 8795 Folsom Blvd, Ste. 103 Sacramento CA 95826 (916) 388-5655 (916) 388-5676
NOLTE ASSOCIATES, INC. Jennifer CAIN 2495 Natomas Park Drive, Fourth Floor Sacramento CA 95833-2935 (916) 641-9262 (916) 641-9222
Northern Engineering Santos Limon 1040 East 800 North Orem UT 84097 (801) 802-8992 (801) 802-8993
PAR ENVIRONMENTAL SERVICES, INC JENNIFER MOORE 1906 21st Street Sacramento CA 95816 (916) 739-8356 (916) 739-0626
PARSONS Lillie Sunday 50 Fremont Street, Suite 1500 San Francisco CA 94105 (415) 490-2453 (415) 546-1602
PB Americas, Inc. Jeff Damon 3840 Rosin Court, Suite 200 Sacramento CA 95834 (916) 567-2561 (916) 925-3517
PBS & J Heidi Carter 1200 Second St.,Ste 200 Sacramento CA 95814 (916) 325-4800 (916) 325-4810
PGH Wong Engineering, Inc. Marvin Talusik 1329 Howe Ave, Ste. 110 (916) 924-8800 (916) 924-8886
PMC Andrea Elliott 2729 Prospect Park Drive, Suite 220 Gold River CA 95670 (866) 828-6762 (916) 361-1574
PRECISION LAND SURVEYING, INC. Rick Maric 8850 Auburn Folsom Road, Suite G Granite Bay CA 95746 (916) 789-2006 (916) 789-2007
PSOMAS & ASSOCIATES Timothy G. Hayes 1075 Creekside Ridge Dr., Ste. 200 Roseville CA 95678 (916) 788-8122 (916) 788-0600
PWGC Corrine Ozcan 630 Johnson Avenue, Suite 7 Bohemia NY 11716 (631) 589-6353
QUAD-KNOPF Nick t Strai 5110 West Cypress Avenue Visalia CA 93278 (559) 733-0440 (559) 733-7821
R.E.Y. Engineering Jim Brainard 905 Sutter Street, Suite 200 Folsom CA 95630 (916) 366-3040 (916) 366-3303
Revel Environmental Manufacturing, Inc. Marcel Sloane 960 B Detroit Avenue Concord CA 94518 (925) 676-4736 (925) 676-8676
SCA ENVIRONMENTAL, INC. Christina Codemo 165 10th Street, Suite 100 San Francisco CA 94103 (415) 703-8490 (415) 703-0701
SIERRA RESEARCH, INC. Gabe McAuliffe 1801 J St Sacramento CA 95811 (916) 444-6666 (916) 444-8373
STANTEC CONSULTING Jana Valtrakis 715 J Street, Suite 200 SAN DIEGO CA 92101 (619) 243-8315 (619) 243-7400
Steer Davies Gleave Alan Jones 28-32 Upper Ground London UK SE1 9PD (207) 919-8500 (207) 919-8589
STEVENS & ASSOCIATES MYLES STEVENS 855 SANSOME STREET, 2ND FLOOR SAN FRANCISCO CA 94111- (415) 397-6500 (415) 397-6525
STV, INC. David Borger 915 Highland Point Dr., Suite 234 Roseville CA 95678 (916) 724-5421 (909) 484-1360
SURVEYOR'S GROUP, INC. Richard O'CONNOR 9001 Foothills Blvd, Suite 150 Roseville CA 95747 (916) 789-0822 (916) 789-0824
SYSTRA Consulting, Inc. GWENDOLYN WILLIAMS 617 W. 7th Street, Suite 602. Los Angeles CA 90017 (213) 623-1888 (213) 623-1898
TABER CONSULTING Martin McIlroy 3911 West Capitol Ave. West Sacramento CA 95691-2116 (916) 371-1690 (916) 371-7265
TERRY A HAYES ASSOCIATES LLC VANESSA SMITH 8522 National Boulevard, Suite 102 CULVER CITY CA 90232 (310) 337-7900 (310) 337-7957
TETRA TECH, INC. ROBIN Mason 3140 Peacekeeper Way, Suite 101 McClellan CA 95652 (916) 643-4826 (916) 643-9685
THE HLA GROUP Zina Davis 1050 20th Street, Suite 200 Sacramento CA 95814 (916) 447-7400 (916) 447-8270
The Source Group, Inc. Bruce Thrupp 3451-C Vincent Road PLEASANT HILL CA 94523 (510) 410-8140
THOMPSON & ASSOCIATES Richard Thompson 2376 Bryant St San Francisco CA 94110 (415) 285-3637 (415) 285-2896
TranSystems Corporation Martha Castaneda 180 Grand Avenue, Suite 400 Oakland CA 94612 (510) 835-2761 (510) 835-9839
URS Corporation Sandy Stadtfeld 221 Main Street, Suite 600 San Francisco CA 94105 (415) 243-3804 (415) 882-9261
URS Corporation Bob Schaevitz 1380 Lead Hill Blvd., Ste. 100 Roseville CA 95661 (916) 784-3900 (916) 784-0211
URS Washington Group Joe Alexander 2345 Crystal Drive Arlington VA 22202 (703) 236-2770 (703) 236-1920
V & A CONSULTING ENGINEERS Bryan HUGHES 155 Grand Avenue Suite 700 Oakland CA 94612 (510) 903-6600 (510) 903-6601
VALI COOPER & ASSOCIATES, INC. Hank Doll 1760 Creekside Oaks Drive, Suite 140 Sacramento CA 95833 (916) 925-0952 (916) 925-0954
vanderToolen Associates Dominic Esser 2617 K Street, Ste. 175 Sacramento CA 95816 (916) 244-3000 (916) 446-7051
VIRGINKAR & ASSOCIATES, INC Paul Schlosser 1789 Allen Drive Westlake OH 44145 (714) 722-4991 (440) 871-0455
WALLACE-KUHL & ASSOCIATES SUE DeMers 3251 Beacon Blve., Suite 300 West Sacramento CA 95691 (916) 372-1434 (916) 372-2565
WILBUR SMITH ASSOCIATES Leslie Saulsbury 201 Mission Street, STE 1450 San Francisco CA 94105 (415) 495-6201 (415) 495-5305
WILLDAN Robert Blaser 2150 River Plaza Drive, Suite 300 Sacramento CA 95833 (916) 924-7000 (916) 924-3644
WINZLER & KELLY Hillary Fischer 3410 Industrial Blvd., Suite 102 West Sacramento CA 95691 (916) 372-6606 (916) 372-6616
WRECO SUE Rhee 1243 ALPINE ROAD SUITE 108 WALNUT CREEK CA 94596- (925) 941-0017 (925) 941-0018
Y & C TRANSPORTATION CONSULTANTS, INC. Daniel Yau, CE, TE, PTOE 3250 Ramos Circle Sacramento CA 95827 (916) 366-8000 (916) 366-8008

Last Refreshed on 6/8/2026 8:11:37 PM