Kla-Tencor Corp Claim Listing Return to Directory Rating (average) (0) Business Genre Electronic, Manufacturing Business Website Address kla-tencor.com Business Address, City 1000 Market St # 2, Portsmouth ZIP Code 03801 Business Phone Number 6034333366 Business Fax 6034311831 Ratings There are no reviews yet. Please login to leave a review. Please login to claim this listing. Username*: Email*: Password*: Log in | Lost your password?