Six firms from the New North B2B readership area made the sought-after Inc. 5,000 list of the nation’s fastest growing private companies. Inc. released the annual list in late August. This year’s count is up from four companies a year ago and the same as the six local companies appearing on the list in 2015.

The list measures a company’s gross revenue growth between 2013 and 2016 and stacks that measurement up against other privately owned businesses in the United States. Wisconsin as a whole boasted a total of 54 companies on the list, up from 53 firms on the 2016 list. Here’s a look at the region’s accelerating companies making the Inc. 5,000 list for 2017 by order of rank:

Tundraland Home Improvements #1,187

Kaukauna-based Tundraland Home Improvements reported growth of 366 percent over the past three years and 2016 revenues of $29.1 million. The company (tundraland.com) specializes in bathrooms, windows, decks and sunrooms for residential improvement projects. This year marks Tundraland’s first year on the list.

Midwest Restoration #1,306

This year marks Little Chute-based Midwest Restoration’s second year on the Inc. 5,000 list, having secured a spot at No. 1,219 in 2015. The company reported three-year growth of 314 percent and 2016 revenues of $2 million. Midwest Restoration (mwrestoration.com) restores and reconstructs commercial and residential properties damaged by weather, vandalism, mold or fire.

Black-Haak Heating #3,588

Greenville-based Blaak-Haak Heating (black-haak.com) made its debut on the Inc. 5,000 list this year, with three-year growth of 85 percent and 2016 receipts of $4.8 million. Black-Haak provides residential and commercial heating and cooling services, as well as geothermal system installation across the Fox Valley. 

Drexel Building Supply #4,140

Campbellsport-based Drexel Building Supply (drexelteam.com) marked its eighth year on the Inc. 5,000 list, reporting three-year growth of 65 percent and 2016 revenues of $143.5 million. Founded in 1985, the company employs 310 people. Drexel Building Supply ranked No. 3,718 on the 2016 list. It’s highest ranking had been at No. 311 back in 2009. The family-owned company has six locations, including local retails stores in Campbellsport, Wrightstown and Berlin.

Fox World Travel #4,390

Oshkosh-based Fox World Travel landed its fifth consecutive year on the Inc. 5,000 list of fastest-growing private companies, reporting 58 percent growth over the past three years and revenues of $28.4 million in 2016. The company ranked No. 4,659 on the 2016 list. The 2017 ranking marks Fox World Travel’s highest spot in the five years it’s been on the Inc. 5,000 list. Founded in 1960, the travel management company (foxworldtravel.com) employs 238 people.

Vehicle Security Innovators #4,975

Green Bay-based Vehicle Security Innovators (vsilocks.com) scored a position on the Inc. 5,000 list for the fourth consecutive year this year. Boasting 41 percent growth over three years and 2016 revenues of $10 million, VSI provides locksets for the heavy truck industry. It was founded in 2005 and employs 44 people. Last year the company ranked No. 3,843 on the list. It recorded its highest ranking back in 2015 at No. 3,305.