Summa Holdings Overview

Summa Holdings, Inc., through its subsidiaries, manufactures industrial components including aircraft and aerospace products such as metal and nonmetal ducting systems, life support suits, gears, centralized lubricating systems, cabinets and lockers. The company was formerly known as Arrowhead Holdings Corporation and changed its name to Summa Holdings, Inc. in May 1993. Summa Holdings, Inc. was incorporated in 1983 and is based in Brecksville, Ohio.
The staff at Summa Holdings come from unusually diverse demographic backgrounds. The company is 52.1% female and 32.6% ethnic minorities. Despite its diversity in other areas, Summa Holdings employees are noticeably lacking in political diversity. It has an unusually high proportion of employees who are members of the Democratic Party, at 72.0%. Employees seem to enjoy working in an otherwise diverse workplace that is dominated by members of the Democratic Party. Summa Holdings has great employee retention with staff members usually staying with the company for 4.5 years. The average employee at Summa Holdings makes $57,994 per year, which is quite competitive for its location and industry. In comparison, some of its highest paying competitors, like HealthTech, Ihc, and New Mexico Institute of Mining and Technology, pay $50,939, $49,569, and $46,791, respectively.
A large manufacturing company with 1,604 employees and an annual revenue of $587.1M, Summa Holdings is headquartered in Pennsylvania.







Founded in



Wyomissing, PA



Organization Type


Is This Your Company?

What do people say about Summa Holdings

Work at Summa Holdings? Share your experience anonymously.

What do you like about working for Summa Holdings?

The Team At Summa Holdings

Key People

    Galen McNamara (Chief Executive Officer & Director)

Summa Holdings Company Rankings

Summa Holdings is ranked #80 on the Best Companies to Work For in Pennsylvania list. Zippia's Best Places to Work lists provide unbiased, data-based evaluations of companies. Rankings are based on government and proprietary data on salaries, company financial health, and employee diversity.

Read more about how we rank companies.

Summa Holdings Salaries

How much does Summa Holdings pay?
The national average salary for a Summa Holdings employee in the United States is $57,994 per year. Employees in the top 10 percent can make over $140,000 per year, while employees at the bottom 10 percent earn less than $23,000 per year.
Salary Score
Average Employee Earnings

Summa Holdings Salaries By Job Title

While Summa Holdings employees earn an average yearly salary of $57,994, different roles can command different wages. Some of the positions that earn high wages at Summa Holdings include psychiatrist, cardiologist, clinic physician director, and hospitalist. A worker with the title psychiatrist salary at Summa Holdings can earn an average yearly salary of $243,148. To get a better sense of the salaries at Summa Holdings, other roles such as bartender server and nurses' aide can be considered as well. For comparison, the title bartender server at Summa Holdings earns $17,476 per year.
Job Title
Average Salarydesc
Salary Range205k - 286k$243k$243,148
Salary Range176k - 315k$236k$236,037
Clinic Physician Director
Salary Range183k - 300k$235k$234,940
Salary Range191k - 253k$220k$220,275
Salary Range144k - 312k$212k$212,341
Internal Medicine Physician
Salary Range171k - 226k$197k$196,828
Salary Range162k - 227k$193k$192,572
Salary Range139k - 239k$183k$182,886
Salary Range122k - 238k$171k$170,912
Salary Range96k - 194k$137k$136,811

Jobs from similar companies

Summa Holdings Careers

On average, employees at Summa Holdings stay with the company for 4.5 years. Employees most commonly join Summa Holdings after leaving Summa Health. When they leave Summa Holdings, they most frequently get their next job at Summa Health.

Average Length of Employment

4.4 years

Top Employers Before Summa Holdings

Top Employers After Summa Holdings

Jobs from similar companies

Summa Holdings Employee Demographics

Diversity Score
We calculated the diversity score of companies by measuring multiple factors, including the ethnic background, gender identity, and language skills of their workforce.

Jobs from companies you might like

Summa Holdings Employees Education

Of the 1,604 employees at Summa Holdings, 41.7% attended Kent State University. Employees at Summa Holdings most frequently majored in Nursing, and most employees’ highest level of education is a Bachelors.

Do you Work At Summa Holdings?

Help us make this company more transparent.

Summa Holdings Employee Political Affiliation

Summa Holdings employees are most likely to be members of the Democratic Party. The largest donation made to a political party by a Summa Holdings employee was by Mehool Patel. Mehool Patel donated $48,136 to the Democratic Party.

Employee Political Donations

NameascdescJob TitleascdescPartyascdescDonationascdesc
Mehool PatelPhysician
Democratic Party
$48,136Democratic Party
John VerbanacChief Executive Officer
Chief Executive Officer
Republican Party
$8,600Republican Party
Karen ArshinkoffExecutive
Republican Party
$5,000Republican Party
ANN BrennanChairperson, Board Of Directors
Chairperson, Board Of Directors
Democratic Party
$4,900Democratic Party
John ParkGastroenterologist
Republican Party
$3,380Republican Party
Otfried NiedermaierPhysician
Democratic Party
$3,100Democratic Party
Brian BaumannPhysician
Democratic Party
$2,700Democratic Party
Stephen KlautkyPhysician
Democratic Party
$2,700Democratic Party
Marcus ObeiusPhysician
Democratic Party
$2,025Democratic Party
Charles ZappalaChairperson
Democratic Party
$2,000Democratic Party
Show More

Summa Holdings Financial Performance

Performance Score
We calculated the performance score of companies by measuring multiple factors, including revenue, longevity, and stock market performance.


$100M - $1B

Founded in


Organization type


How Would You Rate The Company Culture Of Summa Holdings?

Have you worked at Summa Holdings? Help other job seekers by rating Summa Holdings.

Summa Holdings Competitors

Competitors of Summa Holdings include HealthTech, Ihc, and New Mexico Institute of Mining and Technology. Employees at HealthTech earn more than most of the competition, with an average yearly salary of $50,939. Employees at Ihc earn an average of $49,569 per year, and the employees at New Mexico Institute of Mining and Technology earn an average salary of $46,791 per year.
Average Salarydesc


Salary Range36k - 71k$51k$50,939


Salary Range34k - 71k$50k$49,569
New Mexico Institute of Mining and Technology
Salary Range32k - 67k$47k$46,791

Grays Harbor Paper

Salary Range30k - 64k$45k$44,833
South Texas Electric Cooperative
Salary Range29k - 66k$45k$44,755

Mednet Healthcare Technologies, a BioTelemetry company.

Salary Range30k - 63k$44k$44,150
Advanced Imaging Technologies
Salary Range30k - 62k$44k$43,857
Asian Health Services
Salary Range29k - 65k$44k$43,691
CMH Holdings
Salary Range29k - 63k$44k$43,622

Essential Medical Supply

Salary Range29k - 61k$43k$42,835

Frequently Asked Questions about Summa Holdings

When was Summa Holdings founded?

Summa Holdings was founded in 1983.

How many Employees does Summa Holdings have?

Summa Holdings has 1,604 employees.

How much money does Summa Holdings make?

Summa Holdings generates $587.1M in revenue.

What industry is Summa Holdings in?

Summa Holdings is in the manufacturing industry.

Who are Summa Holdings's competitors?

Summa Holdings competitors include Ultra Machining, Ihc, Asian Health Services, CMH Holdings, Essential Medical Supply, Inland Empire Paper Company, Merrimack Valley Wood Products, Providence Emblem Co, Central Indiana Hardware, South Texas Electric Cooperative, Spectrum Health Products, North Texas Steel Co, Mednet Healthcare Technologies, a BioTelemetry company., Jackson Family Wines, HealthTech, Advanced Imaging Technologies, New Mexico Institute of Mining and Technology, Potomac Services, Grays Harbor Paper, Jackson Associates Research.

Who works at Summa Holdings?

Galen McNamara (Chief Executive Officer & Director)

Where is Summa Holdings's headquarters?

Summa Holdings's headquarters is in Wyomissing, PA.

Are You An Executive, HR Leader, Or Brand Manager At Summa Holdings?

Claiming and updating your company profile on Zippia is free and easy.

Updated October 27, 2021

Zippia gives an in-depth look into the details of Summa Holdings, including salaries, political affiliations, employee data, and more, in order to inform job seekers about Summa Holdings. The employee data is based on information from people who have self-reported their past or current employments at Summa Holdings. While we have made attempts to ensure that the information displayed are correct, Zippia is not responsible for any errors or omissions, or for the results obtained from the use of this information. The data presented on this page does not represent the view of Summa Holdings and its employees or that of Zippia.

Summa Holdings may also be known as or be related to SUMMA HLDGS INC, Summa Holdings, Summa Holdings Inc, Summa Holdings, Inc. and Summa Inc.