Shafer, Kline & Warren, Inc.

1323 E 71st St Ste 120, Tulsa, OK 74136
(918) 499-6000

Shepherd Geotechnical Engineering

4000 N Classen Blvd Ste 110S, Oklahoma City, OK 73118
(405) 840-1002

Shriver Brother's Electric

1151 Wild Rose Dr, Piedmont, OK 73078(+1 Locations)
(405) 373-1301

Site Improvement Associates

1201 Jackson Ave, Chesapeake, VA 23324
(757) 671-9000

SK Shemor & Associate LLC

813 NW 34th St, Moore, OK 73160
(405) 799-7116

Source Engineering Plus

5606 N Rockwell Ave Ste 1, Bethany, OK 73008
(405) 787-5735

Sowc Filtration Plant

1967 Sam Noble Pkwy, Ardmore, OK 73401
(580) 389-5376

Spartan Engineering

10820 E 45th St Ste 100, Tulsa, OK 74146
(918) 895-7666

Speck Engineering

8500 Bethel Rd, Shawnee, OK 74804
(405) 964-2910

Standard Testing & Engineering - Richard Mudd Pe

3400 N Lincoln Blvd, Oklahoma City, OK 73105
(405) 528-0541

Steven Blair Engineering PLLC

2645 W Sierra Springs Dr, Edmond, OK 73012
(405) 844-0177

Stratton Moore & Painter

2128 Pole Rd, Moore, OK 73160
(405) 793-1117

Stresscon Inc

6533 E 11th St, Tulsa, OK 74112
(918) 836-0021

STURM Engineering CO

637 E Oak Pl, Edmond, OK 73025
(405) 341-8568

Sun Engineering Inc

10031 E 52nd St, Tulsa, OK 74146
(918) 627-0426

Sunor Inc

9755 E 13th Pl, Tulsa, OK 74128
(918) 835-9846

Supply Technologies

11401 E 27th St N Ste A, Tulsa, OK 74116
(918) 438-7200

Support Services Engineering

3360 Allspice Run, Norman, OK 73026
(405) 321-0916

Surfactant Associates

228 Merkle Dr, Norman, OK 73069
(405) 366-7677

Tahir Nasir, P.E. / NSE Engineering

1800 N Interstate Dr, Norman, OK 73072
(405) 364-2900

Tank Consultants Inc

4333 W 21st St, Tulsa, OK 74107
(918) 583-3968

TCM Certification Service

9755 S 4050 Rd, Talala, OK 74080
(918) 371-8812

Terracon

4701 N Stiles Ave, Oklahoma City, OK 73105
(405) 521-0413

Terracon

5301 Beverly Ter, Oklahoma City, OK 73105
(405) 525-0598

terracon-c

420 S 145th East Ave, Tulsa, OK 74108
(918) 948-9861
National Sponsors