Welcome to Franklin Holwerda Company: Quality Mechanical Contracting Since 1898
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Quality
Mechanical Contracting Since 1898

Resources - by category

Air Quality
Byce & Associates, Inc. - Dust Collection, Engineering
Filter & Coating Technology - Dust Collection, HVAC Equipment, Material Suppliers, Pumps & Valves
Met-Pro Corporation - Air Balance, Dust Collection, HVAC Equipment, Air Pollution Control
Midwest Air Filter, Inc. - Air Filters, Material Suppliers
Viatec, Inc. - Belding Technologies- Pollution Control, Corrision Control, Storage Tanks
Waldinger Corporation - Air Balance, Compressed Air, Demolition, Dust Collection, Engineering, HVAC
Waltz-Holst Blow Pipe Co. - Air Balance, General Contractors, Unions, Industrial Dust Collection, Industrial Sheet Metal
Wilson Air Equipment Company - Air Balance, Equipment Rental, Compressed Air, Vacuum Pumps, Blowers

Asbestos Removal
Thermico, Inc. - Asbestos Removal, Demolition, Insulators, Painters

Concrete Services
Concrete Cutting & Breaking - Concrete Services, Demolition
DeYoung & Assoc. Construction - General Contractor, Concrete Services, Demolition, Unions
Elzinga & Volkers - Concrete Services, Demolition, General Contractor, Steel Fabrication & Erection
Kerkstra / Spancrete Great Lakes - Concrete Services, Precast Concrete, Building Products and Underground Products
Pioneer, Inc. - General Contractor, Concrete Services, Crane Services, Engineering, Equipment Rental
Triangle Associates, Inc. - General Contractor, Concrete Services

Construction
Christman Company, The - HVAC, General Contractor
Commercial Contractors, Inc. - General Contractor
DeYoung & Assoc. Construction - General Contractor, Concrete Services, Demolition, Unions
Elzinga & Volkers - Concrete Services, Demolition, General Contractor, Steel Fabrication & Erection
Pinnacle Construction Group - General Contractor
Pioneer, Inc. - General Contractor, Concrete Services, Crane Services, Engineering, Equipment Rental
Triangle Associates, Inc. - General Contractor, Concrete Services
Waltz-Holst Blow Pipe Co. - Air Balance, General Contractors, Unions, Industrial Dust Collection, Industrial Sheet Metal
Wolverine Building Group - General Contractor

Engineering
Byce & Associates - Engineering, Dust Collection
Enerco Corporation - Engineering, HVAC Equipment, Glycol, Chemical/Water Treatment
Feyen-Zylstra, Inc. - Electricians, Engineering, Temperature Controls
HESCO - Hamlett Engineering Sales Co. - Engineering, Pumps & Valves, Wastewater Equipment
Pioneer, Inc. - Engineering, General Contractor, Concrete Services, Crane Services, Equipment Rental
Process Engineering & Equipment Co. - Engineering, HVAC Equipment, Pumps & Valves, Temperature Controls, Boilers, Filtration
Rose & Westra, Inc. - Engineering
Toering Electric Company - Electricians, Engineering
Trane West Michigan - Engineering, Organizations, Total HVAC Comfort Solutions
VentFabrics, Inc. - Engineering, Material Suppliers
Waldinger Corporation -Air Balance, Compressed Air, Demolition, Dust Collection, Engineering, HVAC
Williams & Works - Engineering Consultant, Structural Engineers, Civil Engineers

Equipment
Allied Truck Equipment - Truck Equipment
Ferguson Enterprises - Power Tools, Pumps & Valves, Plumbing Supplies, Pipes, Valves & Fittings
Hoeksema Tool Service, Inc. - Material Suppliers, Power Tool Sales & Service
Kennedy Industries, Inc. - Equipment Rental, Material Suppliers, Mfr. Rep for Pumps & Valves
S & R Equipment Company - Equipment Rental, Material Suppliers
Walker Process Equipment (Division of McNish Corp.) - Equipment Supplier
Wilson Air Equipment Company - Air Balance, Equipment Rental, Compressed Air, Vacuum Pumps, Blowers

Fire Protection
Approved Fire Protection - Special Hazard Fire Protection, Fire Alarm Systems, Exit Lights/Extinguishers

HVAC
Air & Liquid Systems, Inc. - HVAC Equipment
Carrier Great Lakes - HVAC Producers Distribution
Enerco Corporation - Engineering, HVAC Equipment, Glycol, Chemical/Water Treatment
Filter & Coating Technology - Dust Collection, HVAC Equipment, Material Suppliers, Pumps & Valves
H.V. Burton Company - HVAC Equipment, Pumps & Valves, Water Treatment
Hedrick Associates - HVAC Equipment
Met-Pro Corporation - HVAC Equipment, Air Balance, Dust Collection, Air Pollution Control
Mor Electric Heating - Material Suppliers, Heaters/Controls
Plasma Automation Inc. - HVAC Equipment, Sheet Metal Equipment
Process Engineering & Equipment Co. - Engineering, HVAC Equipment, Pumps & Valves, Temperature Controls, Boilers, Filtration
SPX Cooling Technologies - HVAC Equipment
Trane West Michigan - Engineering, Organizations, Total HVAC Comfort Solutions
Waldinger Corporation -Air Balance, Compressed Air, Demolition, Dust Collection, Engineering, HVAC
Wilson Air Equipment Company - Air Balance, Equipment Rental, Compressed Air, Vacuum Pumps, Blowers

Material Suppliers
B.J.W. Berghorst & Sons - Material Suppliers
Chicago Nut & Bolt - Fasteners, Nuts & Bolts
Clow Water Systems Company - Pipes & Fittings, Material Suppliers
Columbia Pipe & Supply- Pumps & Valves, Material Suppliers
Contractors Steel Company - Material Suppliers
Detroit Pump - Engineering (for Pumps), Material Suppliers
Fasteners Inc. - Distributor
Filter & Coating Technology - Dust Collection, HVAC Equipment, Material Suppliers, Pumps & Valves
Hoeksema Tool Service, Inc. - Material Suppliers, Power Tool Sales & Service
Hydro Dynamics, Inc. - Material Suppliers, Pumps & Valves, Pump Repair
I.A.P. Inc. - Material Suppliers, Water Treatment
Industrial Firebrick - Insulators, Material Suppliers, Refractory
J.W. Snyder Company - Insulators, Unions
Johnstone Supply Inc. - Material Suppliers
Kennedy Industries, Inc. - Material Suppliers, Equipment Rental, Mfr. Rp. for Pumps & Valves
Kent Rubber Supply - Hose & Fitting, Flexible Ducting, Safety Plastics, Rubber & Plastics
Kerkstra / Spancrete Great Lakes - Concrete Services, Building Products and Underground Products
LaBarge Pipe & Steel Company - Material Suppliers, Steel Pipe
Midway Supply Company - Hose & Fitting, Material Suppliers, Pumps & Valves, Rubber & Plastics, Unions
Midwest Air Filter - Material Suppliers, Air Filters
Mor Electric Heating - Material Suppliers, Heaters/Controls
R. Vanderlind & Sons - Material Suppliers, Pumps & Valves, Watermain Material
S & R Equipment - Equipment Rental, Material Suppliers
SW Controls, Inc. - Material Suppliers
VentFabrics - Material Suppliers, Engineering
Waterworks Systems - Material Suppliers, Manufacturer's Representative

Organizations
DeYoung & Assoc. Construction - General Contractor, Concrete Services, Demolition, Unions
J.W. Snyder Company - Insulators, Unions
Midway Supply Company - Hose & Fitting, Material Suppliers, Pumps & Valves, Rubber & Plastics, Unions
UA Local 370 - Unions
Waltz-Holst Blow Pipe Co. - Air Balance, General Contractors, Unions, Industrial Dust Collection, Industrial Sheet Metal

Painters
Kooi Painting - Painters
Thermico, Inc. - Asbestos Removal, Demolition, Insulators, Painters

Plastics
Kent Rubber Supply - Hose & Fitting, Flexible Ducting, Safety Plastics, Rubber & Plastics
Midway Supply Company - Hose & Fitting, Material Suppliers, Pumps & Valves, Rubber & Plastics, Unions

Pumps, Valves & Fittings
Clow Water Systems Company - Pipes & Fittings, Material Suppliers
Columbia Pipe & Supply- Pumps & Valves, Material Suppliers
Containment Solutions - Pumps & Valves, Tank (Above & Under Ground)
Detroit Pump - Engineering (for Pumps), Material Suppliers
Ferguson Enterprises - Power Tools, Pumps & Valves, Plumbing Supplies, Pipes, Valves & Fittings
Filter & Coating Technology - Dust Collection, HVAC Equipment, Material Suppliers, Pumps & Valves
Fluid Process Equipment -Pumps & Valves, Tank (Above & Under Ground)
H.V. Burton Company - HVAC Equipment, Pumps & Valves, Water Treatment
HESCO - Hamlett Engineering Sales Co. - Pumps & Valves, Wastewater Process Equipment
Kennedy Industries, Inc. - Material Suppliers, Equipment Rental, Mfr. Rp. for Pumps & Valves
Kent Rubber Supply - Hose & Fitting, Flexible Ducting, Safety Plastics, Rubber & Plastics
Midway Supply Company - Hose & Fitting, Material Suppliers, Pumps & Valves, Rubber & Plastics, Unions
Process Engineering & Equipment Co. - Engineering, HVAC Equipment, Pumps & Valves, Temperature Controls, Boilers, Filtration
R. Vanderlind & Sons - Material Suppliers, Pumps & Valves, Watermain Material
Rapid Control Service - Hose & Fitting, Pumps & Valves
Red Valve Company - Pumps & Valves

Sheet Metal
Plasma Automation, Inc. - HVAC Equipment, Sheet Metal Equipment
Waltz-Holst Blow Pipe Co. - Air Balance, General Contractors, Unions, Industrial Dust Collection, Industrial Sheet Metal

Steel
Elzinga & Volkers - Concrete Services, Demolition, General Contractor, Steel Fabrication
LaBarge Pipe & Steel Company - Material Suppliers, Steel Pipe
Kerkstra / Spancrete Great Lakes
Kooi Painting

Temperature Controls
Control Net LLC - Temperature Controls
Feyen-Zylstra - Electricians, Engineering, Temperature Controls
Process Engineering & Equipment Co. - Engineering, HVAC Equipment, Pumps & Valves, Temperature Controls, Boilers, Filtration

Water Treatment
Containment Solutions - Pumps & Valves, Tank (Above & Under Ground)
Culligan Water Systems - Water Treatment Equipment
Enerco Corporation - Engineering, HVAC Equipment, Glycol, Chemical/Water Treatment
Fluid Process Equipment - Pumps & Valves, Tank (Above & Under Ground)
Gems Sensors Inc. - Fluid Sensors & Controls
H.V. Burton Company - HVAC Equipment, Pumps & Valves, Water Treatment
HESCO - Hamlett Engineering Sales Co. - Pumps & Valves, Wastewater Process Equipment
I.A.P. Inc. - Material Suppliers, Water Treatment
R. Vanderlind & Sons - Material Suppliers, Pumps & Valves, Watermain Material
Viatec, Inc. - Belding Technologies - Storage Tanks, Pollution Control, Corrision Control

Other
Arrow Roofing - Roofing
Grantex, Inc. - Work Apparel
Viatec, Inc. - Belding Technologies - Storage Tanks, Pollution Control, Corrision Control

By Category