- Moorehead, Sutton & Laing Ltd (Address: 20 Woodlands Rd, Middlesbrough TS1 3BE)Location: MiddlesbroughCategory: Engineering
- Foster Wheeler Energy Ltd (Address: Centre North East, 73-75, Albert Rd, Middlesbrough TS1 2RU)Location: MiddlesbroughCategory: Engineering
- Tolsa (Address: Cargo Fleet Rd, Middlesbrough TS3 6AF)Location: MiddlesbroughCategory: Engineering
- Evolve Building Control Consultants Ltd (Address: Enterprise House, 202-206, Linthorpe Rd, Middlesbrough TS1 3QW)Location: MiddlesbroughCategory: Engineering
- Mike Redfern Engineering Consultancy (Address: Dinsdale House, Riverside Park Rd, Middlesbrough TS2 1UT)Location: MiddlesbroughCategory: Engineering
- A & B JOINERY (Address: 85-87, Stockton St, Middlesbrough TS2 1LH)Location: MiddlesbroughCategory: Engineering
- PD & MS Energy Teesside Ltd (Address: Port Clarence Offshore Base, Port Clarence Rd, Middlesbrough TS2 1RZ)Location: MiddlesbroughCategory: Engineering
- Encia Group Ltd (Address: 7 Eggleston Court, Middlesbrough TS2 1RU)Location: MiddlesbroughCategory: Engineering
- C. Donnelly Construction Ltd (Address: 14-15 Tame Road, Lawson Industrial Estate, Middlesbrough TS3 6LL)Location: MiddlesbroughCategory: Engineering
- S.R Engineering Ltd (Address: 17a, Queensway Court, Queensway, Middlesbrough TS3 8TG)Location: MiddlesbroughCategory: Engineering
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