Clear Over the Ear Headphones

National Tek Services, Inc., headquartered in Libertyville, Illinois, was awarded a blanket competitive sealed bidding contract by the Central Office Purchasing division of the State of Illinois on June 26, 2026. The contract carries a total value of $69,000 and extends through June 25, 2029. The prime contractor, led by Terry L Benzel, can be reached at (847) 850-1201 or sales@tekservinc.com for contract administration purposes.

The contract encompasses the supply of over-the-ear headphones meeting specified technical requirements, including clear housing with integrated microphone, 3.5-millimeter headphone jack plug, minimum five-foot cord length, frequency response of 30–20,000 hertz, and 60-ohm impedance. The initial line item order consists of three units at a unit price of $23 each. The blanket competitive sealed bidding contract type permits the State of Illinois to issue periodic task orders against this established pricing for additional quantities of the specified headphones throughout the three-year performance period.