OPC delivers projects from coast to coast. Contact the OPC headquarters in Long Beach, or any of our offices below. You can also send a message using the form at the bottom of this page. We would love to hear from you!

LONG BEACH (HQ)

3750 Schaufele Avenue
Suite 150
Long Beach, CA 90808

  • Phone: 800.400.7356
  • Phone: 562.304.2000
  • Fax: 562.304.2020

BAKERSFIELD

4200 Truxtun Avenue
Suite 100
Bakersfield, CA 93309

  • Phone: 800.400.7356
  • Phone: 661.381.2440
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CORPUS CHRISTI

2301 N. Port Avenue
Corpus Christi, TX 78401

  • Phone: 800.400.7356
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DALLAS

2305 Mustang Drive
Suite 100
Grapevine, TX 76051

  • Phone: 469.374.4802

FRESNO

2377 W. Shaw Avenue
Suite 104
Fresno, CA 93711

  • Phone: 559.558.4891

LAS VEGAS

400 South 4th Street
Suite 500
Las Vegas, NV 89101

  • Phone: 800.400.7356

OAKLAND

7901 Oakport St., Suite 4800
Oakland, CA 94621

  • Phone: 510.638.3081
  • Fax: 510.638.0750

PHOENIX

4600 E. Washington
Suite 300
Phoenix, AZ 85034

  • Phone: 800.400.7356

RIVERSIDE

2280 Market St., Suite 200
Riverside, CA 92501

  • Phone: 800.400.7356
  • Phone: 951.683.2353
  • Fax: 951.683.3901

SACRAMENTO

980 9th Street, Suite 1600, Sacramento, CA 95814

  • Phone: 800.400.7356
  • Phone: 916.857.1520

SAN DIEGO

438 Camino del Rio South
#213, San Diego, CA 92108

  • Phone: 800.400.7356
  • Phone: 619.688.7980
  • Fax: 619.688.7985

Send us a Message!