• Alberici Constructors
  1005 Skyview Dr., Burlington, ON, L7P 5B1
  1-905-315-3068; Fax: 1-905-981-8060
  
• Armtec Ltd.
  370 Speedvale Ave. W. , Guelph, ON,
  1-519-763-0437
  
• Bennett Contracting Millgrove
  524 6th Concession, Millgrove, ON, L0R 1V0
  1-800-918-7468; Fax: 1-905-689-7289
  
• Envirocan
  2 Marconi COurt, Unit 15, Bolton, ON, L7E 1E5
  905-951-9672; Fax: 905-951-3195
  
• FCM Construction
  2401 Royal Windsor Dr., Oakville, ON, L6J 7X6
  905-339-0990; Fax: 1-905-339-0841
  
• Gowing Contractors
  144 Sugar Maple Rd., St. George, ON, N0E 1N0
  1-519-448-4711; Fax: 1-519-448-3557
  
• Hanson Pressure Pipe
  5387 Bethesda Rd, Stouffville, ON, L4A 7X3
  1-905-640-5151; Fax: 1-905-640-0404
  
• Hodgson-Form & Construction Ltd.
  15691 Duffy's Lane, Caledon, ON, L7E 3C8
  905-880-8448; Fax: 905-880-0717
  
• Industro Tech
  2886 Daniel Johnson, Laval, QUEBEC, H7P 5Z7
  416-527-2450; Fax: 905-756-2103
  
• Industro Tech
  2886 Daniel Johnson, Laval, QUEBEC, H7P 5Z7
  416-527-2450; Fax: 905-756-2103
  
• JDCMI
  425 Hespeler Rd., Cambridge, ON, N1R 8J6
  1-519-249-1568; Fax: 1-519-249-0557
  
• Kenaidan Contracting
  1275 Cardiff Blvd, Mississauga, ON, L5S 1R1
  905-670-2660; Fax: 905-670-9172
  
• Lexsan Electrical
  3328 Burnhamthorpe Rd.W., Oakville, ON, L6M 4H3
  905-847-6504; Fax: 1-905-847-0310
  
• Maple Reinders
  2660 Argentia Rd., Mississauga, ON, L5N 5V4
  905-821-4844; Fax: 905-821-4822
  
• MSU Mississauga
  2222 South Sheridan Way, Mississauga, ON, L5J 2M4
  905-823-4340; Fax: 905-823-4947
  
• Munro Concrete
  8807 Simcoe Rd. Ut.56, Utopia, ON, L0M 1T0
  1-800-461-5632, ext. ; Fax: 1-705-734-2920
  
• North America Construction (1993) Ltd.
  21 Queen St. , Morriston, ON, N0B 2C0
  1-519-821-8000; Fax: 1-519-821-1111
  
• Pomerleau Inc.
  500 St. Jacques 11th Floor, Montreal, QC, H2Y 0A2
  1-514-789-2728; Fax: 1-514-789-2288
  
• Pro Aqua Shadrack
  512 King Street East, Suite 320, Toronto, ON, M5A 1M1
  416-861-0237; Fax: 416-861-9303
  
• Quantech Electrical
  17 Guardsman Rd., Thornhill, ON, L3T 6L2
  1-905-731-2343; Fax: 1-905-731-5772
  
• Summa Engineering
  6243 Northam Dr. , Mississauga, ON, L4V 1J2
  905-678-3388, ext. ; Fax: 905-678-0444
  
• Sutherland Schultz Inc.
  401 Fountain St. North, Cambridge, ON, N3H 5P3
  1-519-653-5665; Fax: 1-519-653-5411
  
• Teslin Contractors
  31 Loggers Trail R.R.3, Newmarket, ON, L3Y 4W1
  1-905-642-1178; Fax: 1-905-642-1177
  
• W. A. Stephenson Contractors Limited
  22 Essex Avenue, Thornhill, ON, L3T 3Y7
  1-905-886-0934, ext. ; Fax: 1-905-881-7655