Business Tools for Contractors. Use our Verify tool to see if a business you want to contract with has an active contractor registration; an active and paidtodate workers. Shacklocks Your local plumbers, electricians and heating. Established overyears ago Shacklocks are specialists in all aspects of plumbing, heating and electrical services. Based Portland in Nottinghamshire and still a family Monson run. Canadian s Business Center Canadian s Business Center helps Small Businesses find Government s, Loans and other Funding.