Security in the Mahoning Valley is more than a contracted service, it is a commitment to protecting businesses, schools, events, and neighborhoods with professionalism, reliability, and trust. Licensed under Ohio’s Private Investigator Security Guard Services (PISGS) division, these firms represent some of the strongest providers in the region. From long‑standing local companies to nationally recognized organizations, each plays a vital role in safeguarding the tri‑county area.
1. Panther Security
Panther Security is widely respected for commercial property protection, mobile patrols, and event security services. Their guards are known for professionalism and responsiveness, frequently deployed to safeguard retail centers, construction sites, and large public gatherings. Panther’s adaptability and strong client relationships have helped them expand steadily across the Valley.
Address: Youngstown, OH (Tri‑County operations)
Phone: (330) 501‑6468
Email: contact@panthersecurity.com
Website: www.panthersecurity.com
Directions: Based in Youngstown, serving Mahoning, Trumbull, and Columbiana counties with mobile patrol units.
Google Rating: Not readily available
Bing Rating: Not readily available
2. Master Security Inc
Master Security Inc brings decades of experience in armed and unarmed guard services, corporate security, and event protection. Their team is recognized for strict compliance with state regulations and a strong emphasis on professionalism, making them a trusted partner for businesses requiring consistent, high‑quality security.
Address: 26 S Market Street, Girard, OH 44420
Phone: (330) 545‑4448
Email: info@mastersecurityinc.com
Website: www.mastersecurityinc.com
Directions: Located in downtown Girard, easily accessible from Route 422.
Google Rating: 3.0/5
Bing Rating: Not readily available
3. OSS – Ohio Security Services
OSS provides corporate guard services, mobile patrols, and specialized event security. Known for flexibility and strong client service, OSS has earned credibility among both public and private sector organizations.
Address: 1291 S High Street, Columbus, OH 43206
Phone: (614) 443‑0291
Email: support@osssecurity.com
Website: www.osssecurity.com
Directions: Located south of downtown Columbus near German Village.
Google Rating: 3.9/5
Bing Rating: Not readily available
4. Guardian Protective Services
Guardian Protective Services specializes in loss prevention, retail security, and corporate guard services. Their teams are trained for high‑risk environments, including retail theft prevention and corporate access control.
Address: 6950 Spinach Dr, Mentor, OH 44060
Phone: (216) 200‑5550
Email: info@guardianprotective.com
Website: www.guardianprotective.com
Directions: Located in Mentor, just off Route 2 east of Cleveland.
Google Rating: Not readily available
Bing Rating: Not readily available
5. Apex Security Group
Apex Security Group focuses on construction site security, fire watch, and industrial facility protection. Their guards are trained to monitor high‑risk environments, ensuring safety, compliance, and incident prevention.
Address: 2206 Superior Viaduct Suite 500, Cleveland, OH 44113
Phone: (216) 862‑1523
Email: contact@apexsecurity.com
Website: www.apexsecurity.com
Directions: Located in Cleveland’s historic Superior Viaduct district near downtown.
Google Rating: Not readily available
Bing Rating: Not readily available
6. U.S. Protection Service
U.S. Protection Service operates across multiple Ohio cities, including the Mahoning Valley, providing event security, mobile patrols, and corporate guard contracts.
Address: 5785 Emporium Square, Columbus, OH 43231
Phone: (614) 794‑4950
Email: info@usprotectionservice.com
Website: www.usprotectionservice.com
Directions: Located northeast of Columbus near Westerville.
Google Rating: 3.4/5
Bing Rating: Not readily available
7. DK Security
DK Security expanded into Ohio in 2021 and offers uniformed guards, executive protection, and background screening services. Their growth has been driven by a focus on compliance, training, and corporate‑level support.
Address: 470 W Broad St Unit #5001, Columbus, OH 43215
Phone: (616) 656‑0123
Email: info@dksecurity.com
Website: www.dksecurity.com
Directions: Located in downtown Columbus near COSI and the Scioto Mile.
Google Rating: Not readily available
Bing Rating: Not readily available
8. Securitas Security Services USA
Securitas is a global provider with operations throughout Ohio, offering uniformed guards, electronic monitoring, and risk management solutions. Their scale and resources make them a strong option for large corporate and industrial clients.
Address: 2180 Southwest Blvd, Grove City, OH 43123
Phone: (614) 871‑6051
Email: info@securitasinc.com
Website: www.securitasinc.com
Directions: Located in Grove City, just south of Columbus off I‑71.
Google Rating: 2.8/5
Bing Rating: Not readily available
Final Overview
Mahoning, Trumbull, and Columbiana counties are home to a diverse mix of security providers, from national corporations to long‑standing regional firms. Each company contributes to the Valley’s safety through professional guard services, mobile patrols, event protection, and specialized security solutions. With strong competitors such as Panther Security, Master Security Inc, OSS, Guardian Protective Services, and others, the region benefits from a robust network of providers dedicated to safeguarding property, people, and peace of mind.