1776 Energy Services

S & S Builders - Gillette

SGS North America

SLS West Inc

SST Energy

Safe Secure Testing, INC

Salvation Army - Gillette

Savage Services - Green River

Savage Services - LaBarge

Savage Services - Rock Springs

Schulte TA Inc

Scott Brothers Inc.

Searle Bros. Construction

Sheridan Production Co.

Sinclair - Casper Refinery

Sisecam Wyoming, LLC

Site Safe, LTD

Spartan Companies

Steed Metals, LLC

Sulzer EMS

Summit Oilfield Services