Massey Mann & Associates

(918) 599-0394

MC Cain Engineering

(405) 447-4909

Mechanical Innovations Inc

(918) 341-1612

Mep Associate LLC

(405) 364-9926

Metco-Midwest Engineering - Nasir Marakah Pe

(405) 681-6737

Michael Jordan

(918) 877-6000

Midstate Engineering

(405) 692-2550

Midwest Engineering & Testing

(405) 681-6737

Morris Engineering & Surveying

(405) 912-2775

Myers Engineering Consulting

(405) 755-5325

Name Brands Distribution Center

(918) 665-4141

Native American Resource Group

(405) 286-2114

NBI Services, Inc.

(918) 582-0081

Nci Information Systems Inc

(405) 732-6988

Newville Engineering Inc

(405) 236-4357

Northcutt Engineering

(405) 570-3030

Nse Engineering Consultants

(405) 364-2900

Ojc Co

(918) 747-0891

Oklahoma Engineering Foundation

(405) 528-1435

P E Software - Mark Eudaley Pe

(405) 789-4433

Palmerton & Parrish

(918) 872-9898

PDS Engineering

(405) 329-2223

Pendergraf Engineering

(405) 359-2907

Penney Engineering Co

(405) 721-2637

Petro-Chem Development Co Inc

(918) 254-8000
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