PSI Office Interiors

PSI is a full service office furniture dealership, and a family business.  The company was started in 1974 by John Paul Graff performing installations for furniture dealers and partition manufacturers.  In 1981 the company was incorporated as Workplace Management, Inc..  During those early years our primary installations were modular partitions and movable walls with free standing furniture.  Our company name was (PSI) Partition Services, Inc then later traded as PSI Office Interiors as a dba under Workplace Management.  PSI was one of the first of just a few office furniture dealerships in the Delaware Valley to recognize the office of the future.  In the early 1980's, our focus turned entirely to the design, layout and installation of modular workstations.  At that time, only two manufacturers led the way in this technology, Herman Miller and Westinghouse.  Today, hundreds of manufacturers large and small exist to fill the ongoing demand for the office workstation in it's many forms today.  PSI has evolved from an installation company to a full service office furniture dealer offering the latest state of the art in ergonomic seating, free standing modular furniture, private offices, conference and training rooms, cubicle workstations and related services including the use of CAD for layouts and workplace designs.

Our mission is to provide quality products including design solutions to our clients with reasonable pricing.  The furniture manufacturers we choose to represent come from decades of experience identifying those manufacturers that offer precision quality, consistency in manufacturing, and reliability for the long term.  So when you work with PSI, you can relax and make your purchase with confidence.

PSI Office Interiors, Inc.
P 610.353.7320

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  • The above four credit cards are accepted.
  • PayPal is also an accepted pay method.
  • Corporate checks are to be made payable to: PSI Office Interiors, Inc.
  • Purchase Orders are to be made out to: PSI Office Interiors, Inc.

  • Orders will be charged to your credit card within 24 to 48 hours after your order is placed.  This includes items that are in stock, and those items that are "made-to-order" per your selected fabrics and finishes, and will have a longer delivery time.  This procedure is a safeguard to protect against fraudulent credit card orders.

    If you do not wish to provide your credit card information online, please call us toll free at 610.353.7320 and you can place your order via telephone with one of our sales representatives

    Please Note: FREE SHIPPING is for standard ground shipping to anywhere in the mainland USA.

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    Some History:

    The company was formed in 1981 as a family business serving our immediate tri-state area of Pennsylvania, New Jersey and Delaware offering professional workplace designs, including delivery and installation. Armed with a superb list of contract office furniture representing multiple manufacturers, we have earned a reputation for performance and customer satisfaction.

    The products that are presented here were carefully selected with a proven track record of satisfaction with existing users over time, and by the evidence of repeat orders for these products.



    PSI will ship your order via the best method based on weight, size, and quantity of your items. If most cases, your order will ship via UPS or FedEx ground, or our own truck. If your order has large pieces, and/or the quantity suggests, your order will ship common carrier. Common carrier shipments deliver during normal business hours. Call us for shipping cost if destination is outside of the USA mainland. All prices are for Delivery to your door, curbside, or loading dock, unless delivered by PSI truck. Someone should be present to sign and accept the merchandise if shipped via common carrier. Does not include inside delivery or set-up.


    Warranty Information:

    The warranty on all products is commensurate with the intended and stated warranties offered by the manufacturer. The warranty time period varies with each manufacturer. The manufacturer ultimately determines the status and issues of warranty claims. PSI will work closely with any warranty issue by handling the warranty claim with the manufacturer on behalf of its customers. PSI cannot be responsible for any shipping cost for parts or replacement items that are shipped by the manufacturer. Your first call on warranty issues should be to us so the proper steps can be taken. In some instances the manufacturer will send a representative to inspect the warranty issue, or will ask for emailed photographs.


    Freight Claims | Damaged Merchandise:

    If your products ship UPS, FedEx, or DHL (or any small box carrier), it is the customers responsibility (the buyer) to inspect the product and to sign for it. It is the customers responsibility (the buyer) to unload from the delivery truck to premises if your products were shipped "Common Carrier (large truck)", inspect the product, and to sign for it. Remember when you sign for the product you own the product that moment. After we receive your order, you will be sent an acknowledgement. At that time, we will let you know if your merchandise is backordered, and for how long. If your product is damaged from shipment you must sign the freight delivery slip "PRODUCT DAMAGED". This is your recourse for having the product or damaged parts replaced. If you have freight damage, please notify us immediately by phone or email because you have 10 days after receipt of product to file a claim. PSI will work with you closely and get your replacement product or parts as soon as possible. Freight damage is not the liability of the seller. It is HIGHLY RECOMMENDED that you keep the shipping boxes until you are satisfied. All authorized returns must be in ORIGINAL PACKAGING. Do not send merchandise back to us freight collect, as it will be refused. If your order contains large heavy items, please keep in mind that you may need a couple of people to unload. Alternatively, most freight companies offer additional services to help you move items from the truck into your home or office. Once we email you the tracking information you can contact the shipper directly to arrange for any additional services. The customer (buyer) will be responsible for directly paying the freight carrier for these additional services.


    Cancellations / Returns or Changes to Orders:

    Your Total Satisfaction is paramount to us.  We want you to be happy and pleased with your purchase.

    PSI will do everything possible to assist with the cancellation of an order or a change to the order. Orders that are (made-to-order), i.e. orders with finishes, fabric or paint colors that are selected by the customer, and/or built to customer specifications are considered "special order" and cannot be cancelled without penalty once the order has gone into production which can be 24 to 48 hours after the order is placed. The manufacturer may state that it is too late to cancel without incurring substantial charges. Also, (made-to-order) chairs are not cancellable, these sales are final. If the product is defective, PSI reserves the right to send replacement parts and/or replace the product.  Please choose your finishes, fabric colors, and options carefully because we cannot accept returns due to improper selections or if you decide you don't like the colors you chose. These chairs are specified by the buyer and are custom made for the buyer.  Once an order has shipped and in transit to the customer, the order cannot be cancelled. Any authorized returns must have an (RA) a return authorization number from PSI, and the customer will receive instructions for returning the product. The customer will be responsible for shipping and any shipping charges or re-stocking fees that will occur unless the item has been deemed defective and cannot be repaired by parts replacement. Returns must be in original packaging and without obvious signs of use or damage, and must be in new resalable condition. The condition of the product will be determined at our discretion.

    Authorized Returns will not be accepted beyond 30 days of the customer receiving the product. There can be no exceptions to this policy.
    Standard restocking fee is 25% charged on returns and incorrectly ordered items.

    For five or more chairs, restocking fee is 35% on returns and incorrectly ordered items.

    Workplace Management, Inc * T/A PSI Office Interiors

    Phone: 610.353.7320 * Email:

    On-Site Services are offered to Local Customers.  Philadelphia Suburbs and parts of NJ and DE