Prime Specialty Contracting
Prime Specialty Contracting is a mechanical contractor offering plumbing to residential, commercial and industrial clients, from basic installations to complex industrial systems. It began as a small mechanical contracting company in 2019 and serves Marquette and communities across Michigan’s Upper Peninsula. Its plumbing work also includes medical-gas piping for healthcare facilities.
Business Highlights
- Prime is fully licensed and insured for plumbing, heating, HVAC and metal fabrication work.
- Prime is locally owned and operated.
- Prime backs its work with a workmanship guarantee, and most products it installs come with manufacturer warranties.
Service Area
Marquette, Escanaba, Negaunee, Ishpeming, Gwinn, Munising, Houghton, Hancock, Calumet, Gladstone, Menominee, Iron Mountain, Norway, Manistique, St. Ignace and Crystal Falls.
Featured on ProsGrade. Prime Specialty Contracting is one of 8 plumbers ProsGrade lists in Marquette, Michigan.
12 services listed, including Auguring, jetting and camera services, Backflow prevention devices and Commercial restroom builds and upgrades. Open weekdays, closed on weekends. Rated 4.7 from 110 reviews.
- Verified listing details
- Service information
- Customer review signals
- Photo gallery
- Public contact information
- Published local profile
How This Business Compares
How Prime Specialty Contracting compares with the other 7 plumbers on ProsGrade in Marquette, using public Google ratings and review counts.
- Ranks in the top half of the 8 Marquette plumbers on ProsGrade by Google rating and review volume.
- Rated 4.7 on Google, well above the 4.4 average of other Marquette plumbers on ProsGrade.
- Has more Google reviews (110) than 6 of the 7 other Marquette plumbers on ProsGrade.
- One of 3 Marquette plumbers on ProsGrade rated 4.7 or higher from at least 10 reviews.
Services Covered
12 services- Auguring, jetting and camera servicessanitary and storm system location and inspection
- Backflow prevention devicesinstallation, testing and maintenance
- Commercial restroom builds and upgradesdesign and construction; accessible spaces, durable fixtures and finishes
- Gas piping installationlines for heating systems, appliances and industrial equipment
- Leak detection and pipe repairleak detection and repair
- Medical gas pipinghealthcare facilities
- Pipe insulation and support systemsprotective insulation and structural supports
- Plumbing fixture installation and replacementsinks, toilets, faucets and specialty fixtures
- Process and industrial pipingchemical, water and material transport
- Sump and ejector pumpsgroundwater and sewage management in basements or lower levels
- Water heater installationstandard and tankless systems
- Water and drain line installationfresh-water supply and wastewater drain lines
Reviews
What customers say
Customers praise the workmanship and technicians, and multiple accounts also highlight responsive communication, clear scheduling expectations or advance fee details. One customer described a large project changing an old fuel-oil boiler and water heater over to propane as well handled from estimate through installation. Another praised the furnace work but objected to a surprise invoice received weeks after paying the bill and described the billing interaction as dismissive.
Customer Reviews
Josh Rajala
Josh Sundman
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Frequently Asked Questions
Does Prime offer emergency plumbing service?
Yes. It offers emergency service for issues that cannot wait.
Can Prime help with frozen or burst pipes?
It handles frozen or burst pipes inside homes and businesses, particularly during U.P. winters.
What does Prime include in new-construction plumbing?
It handles underground rough-ins, water and waste lines, venting systems and fixture preparation.
How does Prime help homeowners choose a tankless water heater?
Its guidance considers home size, usage and efficiency goals.
Will Prime work on a plumbing system it did not install?
Yes. It will take a look at systems installed by others and help address issues.








