• 101049591/Hydrodig Regina
• BF Reid Contracting
• Buck's Construction Ltd.
• Cal's Concrete
• Dave Mihalicz Excavating Ltd.
• Double E Contracting Inc.
• Dynamic Resources Ltd.
• GTG Oilfield Services Ltd.

• Industrial Vegetation Control Inc.
• K.B Sandblasting & Coating
• L & G Crushing corp.
• L. Callsen Welding Inc.
Nitro Millwright Service Inc.
• Peter Crushing & Hauling Ltd.

• R.W. Little Const. Ltd.
• Sorenson Contracting Ltd.
• Southeast Tree Care Ltd.
• Spooner's Contracting Ltd.
• Swift Sure Helical Services Ltd.
• T.R. Analysis Ltd.
• Teds Vac Service Ltd.

• 101022403 Sask. Ltd o/a Dwight's Trenching
• 3D Excavating Incorporated
• 3K Oil Services Ltd.
• ABO Transport Ltd./ABO Environmental Services
• Accu-Pipe Ramming Systems Inc.
• AECOM Canada Ltd.-Regina
• AECOM Canada Ltd.-Sasktoon
• A.J. Harlick Earthmoving Ltd.
• A. Kustiak Trucking and Construction Ltd
• Achen Construction (1965) Ltd.
• Anderson Rental & Paving Ltd.
• Arne Hansen Ltd.
• Arnold 's Sand & Gravel Ltd.
• ASL Paving - Saskatoon
• ASL Paving Ltd. - Regina
• Asplundh Canada Inc.
• B & B Asphalt Ltd.
• Baschuk Construction Ltd.
• BLS Asphalt Inc.
• BMTR Ventures Ltd.
• Boyd Excavating Ltd.
• Brady Oilfield Services
• Broda Construction Group of Companies
• Brunner's Construction Ltd
• Bryden Const. & Transport Co. Ltd.
• Buddwil Enterprises Ltd.
• C. Duncan Construction Ltd.
• C.D. Botkin Construction Ltd.
• Carson Welding & Maint Ltd.
• Central Asphalt & Paving Inc.
• Cherick Ventures Ltd.
• Clayton Construction Co. Ltd.
• Clifton Associates Ltd.
• Clunie Consulting Ltd.
• Cockburn Construction Ltd.
• Con Alexander Trucking Ltd.
• Condor Enterprises
• Continental Construction Inc.
• Coran Contracting Ltd.
• Crushrite Concrete (2008) Ltd.
• Cypress Paving (1976) Ltd.
• D & R Contracting Ltd.
• D C Trenching Ltd.
• D.J. Miller & Sons Const. Ltd.
• D Jorgenson Holdings Ltd/Northern Blacktop
• DLB Cranes Ltd. (Sask. Division)
• Dagg Construction Ltd.
• Delta Rock & Sand Ltd./Westland Concrete
• Digger Dan's Contracting Ltd
• Don Wehage Trucking Ltd.
• Eagle Drilling Services Ltd.

• Eastside Gravel Co. Ltd.
• F Peter's Excavating (1996) Ltd.
• Fedorowich Construction Ltd.
• Forbes Construction/SF Ventures
• 101145725 Sask Ltd o/a G. & C. Asphalt Ltd.
• Gee Bee Construction Co. Ltd.
• Galbraith Powerline Contracting Ltd.
• Garry's Construction Ltd.
• Get Green Erosion Control Inc.
• Globe Excavating (2008)
• G Ungar Construction Co. Ltd.
• GW Construction Ltd
• Haas Construction Ltd.
• Hamm Construction Ltd.
• Hardes Fencing Ltd.
• Hardy Excavating Ltd./Westco  Services Ltd.
• HB Construction Inc.
• HCSAS
• HJR Asphalt Partnership
• Hundseth Line Construction Corp.
• Inland Aggregates Limited - Saskatoon
• Inland Aggregates Limited-- Regina
• J & R Atkinson Ex. & Const. Ltd. .
• Jerry Mainil Ltd.
• J Giesbrecht & Sons Cranes Ltd.
• K-line Maintenance & Construction Ltd. 
• Kay's Construction Inc.
• Kelly Panteluk Construction Ltd.
• Kelsey Pipelines LTd.
• Ken's Oilfield Const (2000) Ltd.
• Kindersley Concrete Products
• Kirsch Construction (2008)Limited
• Klark's Trenching Ltd.
• Lamon Disposal Ltd.
• LD Allan Enterprises Ltd
• Lakeland Sand & Gravel
• Lonesome Prairie Sand & Gravel Ltd.
• Loraas Disposal Services Ltd.
• Lux Construction
• Lynco Construction Ltd.
• M & L Backhoe Services
• Maxie's Excavating Ltd
• Melron Baackhoe Service
• McIntosh Garage & Autobody Ltd.
• Mi-Sask Construction Ltd./Industries
• Mobile Propane Ltd.
• Mocon construcction Ltd.
• Mogul Underground Installations Ltd.
• Morsky Construction Ltd.
• Morsky Industrial Services Ltd

• Neilson Trucking Ltd/NTL Northern C
• Nemanishen Contracting Ltd.
• N.I.S. Contractors Ltd.
• Norlin Construction
• Palliser Aggregates Ltd.
• Paramount Paving Ltd
• Prairie Mud Service
• Prairie Petro-Chem
• Prairie Western Reclamation & Const. Inc.
• Oil 'N' Ag
• PMP Powerline Construction Ltd.
• Potzus Construction Ltd.
• Powermaxx Construction Ltd.
• Procyk Bros. Transport Inc.
• R & B Crushing Ltd.
• Ramco Paving Ltd /Momak Systems Ltd.
• Ramjet Contracting Ltd.
• Remcon Ltd.
• Ridgewood Construction
• RJ Tulik & Sons Trenching & Ex. Ltd.
• Ruszkowski Enterprises Ltd.
• Sanburn Construction Ltd.
• Saskatchewan Safety Council
• S. Wilson Construction Ltd.
• Shellbrook Crushing (1999) Ltd.
• Silvertown Contracting Ltd.
• Site Management Services Regina Inc.
• Souris Valley Paving Inc.
• Southwest Paving Ltd.
• Supreme Oil Construction Ltd.
• Swayze Concrete Ltd.
• Thomas Sand & Gravel
• Thomcat Management Inc.
• Thompson Jonnson Trenching Ltd
• Timberline Industries Ltd.
• Tollifson Cable Service Ltd.
• Tupper's Construction Ltd.
• Ultimate Powerline Cont Ltd.
• Unicon Pipelines Ltd.
• United Paving 1983 Ltd.
• Urlacher & Sons Construction Ltd.
• Venture Construction Inc
• W.F. Botkin Construction Ltd.
• W.H. Coderre & Sons Construction Ltd.
• Wappel Construction Co. Ltd.
• Wee-Lift Crane Service 
• Wheatland Aggregates Ltd.
• Wilco Contractors Southwest Inc.
• Wingert Coonstruction Ltd.
• Woiden Construction Ltd.

• Ace Vegetation Control Service Ltd.
• ASL Paving Ltd. - Lloydminster
• Big Country Energy Services LP
• Carmacks Enterprises Ltd
• Cee Gee Southern Inc.
• Cook Bros. Cartage Ltd.
• E Construction Ltd.
• Genivar Consultants Limited Partnership
• Hugh Munro Construction Ltd.

Temporary COR Letter of Equivalency

• Strilkiwski Contracting Ltd. Expiry Jan. 27, 2011

• In-Line Contracting Ltd.
• JDL Underground Ltd.
• Johnston Bros. (Binscarth) Ltd
• Ken's Oilfield Construction (2000) Ltd.
• Kowal Construction Alta Ltd.
• Ledcor Alberta Limited
• Midlite Construction Ltd.
• Mulder Construction & Materials Ltd.
• Nelson River Construction Inc.
• Northern Crane Service
• Prairie North Construction Ltd.

• Precision Joint Sealing Inc.
• Richardson Bros (Olds) Limited
• Russell Redi-Mix Ltd/Langenburg Redi-Mix Ltd.
• Sigfusson Northern Ltd.
• Sterling Crane
• SuperheatFGH Canada Inc.
• Surespan Construction Ltd.
• Syntech Enerflex
• Valard Construction Ltd.
• West-Can Seal Coating Inc.