| Company Location | Top NH Executive Website Phone | Sales Net Income Earnings Per Share | Exchange Symbol/NH Locations No. of NH Employees Products/Services |
| 1 | Connection 730 Milford Road Merrimack, NH 03054 | Timothy McGrath, pres./ceo connection.com 603-683-2000 | $2.9 billion $83.271 million $3.15 | CNXN/3 2,703 A national technology solutions provider to business, government, health care and education markets. |
| 2 | White Mountains Insurance Group 23. Main St., Suite 3B Hanover, NH 03755 | G. Manning Rountree, ceo whitemountains.com 603-640-2200 | $1.898 billion $69 million $199 | NYSE: WTM/1 782 Financial services holding company with business interests in property and casualty insurance and reinsurance |
| 3 | Albany International Corp. 112 Airport Drive Rochester, NH 03867 | Greg Harwell, group president Albany Engineered Composites albint.com 603-330-5800 | $1.147 billion $111.6 million $4.06 | AIN/1 5,600 worldwide Advanced composite components for aerospace and custom-designed fabrics and belts essential to production in the paper, nonwovens and other process industries. |
| 4 | Planet Fitness 26 Fox Run Road Newington, NH 03801 | Chris Rondeau, ceo planetfitness.com 603-750-0001 | $1.071 billion $138.313 million $2.24 | NYSE: PLNT/20 1,600 Franchise fitness center |
| 5 | Allegro Microsystems 955 Perimeter Road Manchester, NH 03103 | Vineet Nargolwala, ceo/pres. allegromicro.com 603-626-2300 | $973.7 million $187.5 million $0.98 | NASDAQ: ALGM/1 4,687 worldwide Developer of advanced semiconductor technology and application-specific algorithms |
| 6 | Standex International Corp. 23 Keewaydin Drive Salem, NH 03079 | David Dunbar, pres./ceo standex.com 603-893-9701 | $741 million $138.9 million $11.58 | NYSE: SXI/1 1,200 Manufactures a variety of products and services for diverse market segments |
| 7 | Unitil Corporation 6 Liberty Lane West Hampton, NH 03842 | Thomas P. Meissner, chmn./ceo unitil.com 603-772-0775 | $557.1 million $45.2 million $2.82 | NYSE: UTL/4 531 Utility providing electric and gas service in New England, as well as a non-utility natural gas transmission |
| 8 | Skillsoft 300 Innovative Way, Suite 201 Nashua, NH 03062 | Ron Hovsepian, exec. chair skillsoft.com 603-324-3000 | $553 million ($349 million) ($43.38) | NYSE: SKIL/1 2,318 worldwide Learning experience platform that helps companies drives continuous growth and performance for employees and their organizations by overcoming skill gaps |
| 9 | Vapotherm 100 Domain Drive Exeter, NH 03833 | Joseph Army, ceo/pres. vapotherm.com 844-381-8276 | $68 million ($58 million) ($9.64) | NYSE: VAPO/1 159 Producer of high-velocity therapy medical products used to treat patients with respiratory issues |
| 10 | iCAD Inc. 98 Spit Brook Road, Suite 100 Nashua, NH 03062 | Dana Brown, pres./ceo/chmn. icadmed.com 603-882-5200 | $27.9 million -$14 million -$0.15 | NASDAQ: ICAD/1 136 Provider of advanced image analysis and radiation therapy for the early identification and treatment of cancer |