In Sync Systems specializes in the installation of new business telephone systems, offering quality products from quality providers including NEC and Toshiba. Our highly trained technicians service Avaya, Nortel, Panasonic and other providers. In Sync has served as McHenry County’s leader in telecommunication products for 29 years, providing additional services such as voice and data wiring, Voicemail, CCTV camera systems, overhead paging systems, access control, nurse-call, and many more. Our employees are fully insured under General Liability and Workman’s Compensation. Our technicians are available for service 24/7, 365 days a year.
| Website | https://www.in-syncsystems.com |
| Revenue | $5.7 million |
| Employees | 1 (0 on RocketReach) |
| Founded | 1991 |
| Address | 257 King Street, Crystal Lake, Illinois 60014, US |
| Phone | +1 815-459-1773 |
| Fax | (815) 459-2689 |
| Technologies |
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| Industry | Telecommunications, Cable & Satellite |
| Keywords | Telephone System Installation, Ip Phone Systems, Business Phone Systems, Business Telephone Systems, Voip Phone Systems, Voice Communication Solutions, On Premise Phone Systems, Hybrid Phone Systems, Telephone System Maintenance, Hosted Phone Systems, Panasonic Phone Systems, Phone System Repair |
| Competitors | Microsoft, Cisco, Slack, Twilio, RingCentral, Avaya, Zoom Video Communications, Vonage, 8x8, Nextiva +40 more (view full list) |
| SIC | SIC Code 76 Companies, SIC Code 762 Companies |
| NAICS | NAICS Code 8112 Companies, NAICS Code 811 Companies, NAICS Code 811213 Companies, NAICS Code 81 Companies, NAICS Code 81121 Companies |
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In Sync Systems, Inc. Questions
The In Sync Systems, Inc. annual revenue was $5.7 million in 2026.
In Sync Systems, Inc. is based in Crystal Lake, Illinois.
The NAICS codes for In Sync Systems, Inc. are [8112, 811, 811213, 81, 81121].
The SIC codes for In Sync Systems, Inc. are [76, 762].
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