If you're looking for an adjustable height utility table or a folding utility table, then perhaps Barricks, Bretford, Correll or Iceberg might have a model that suits your needs. National Business Furniture is one store that carries a nice selection of training tables, conference tables and utility tables in various sizes, made in particleboard, steel, plastic, aluminum and more sturdy materials, by these brands and more. National Business Furniture is a great resource for all kinds of business and office furniture pieces. They carry desks, chairs, bookcases, display cases, school furniture and other accessories for reasonable prices.
Barricks Fixed Leg Utility Table with Lower Shelf - 18" x 48"
"Barricks fixed leg 48"x18" utility table with shelf is constructed with a 3/4" solid core laminate top and 1" square 18-gauge steel legs. Table features a square cornered 2-1/4" semi-boxed steel apron for added durability. Lower shelf provides additional storage space. Legs have non-mar glides to protect floors."
Bretford Rectangular Folding Training Table 6' Wide
"Bretford CR8500 Collection rectangular folding table is constructed with a 1” thick laminate work surface and a heavy-duty steel base that will provide years of use. Fit any room configuration with training conference tables. Foldable tables feature quick ‘n easy set-up and storage. Use tables free-standing or butted together. You get plenty of work surface and leg room. Tables are 29" high, legs rotate inward to fold flat."
Correll Lightweight Rectangular Folding Table - 72" x 30"
"Correll 72" x 30" rectangular folding table is constructed with a high-impact polyethylene top and heavy-duty steel frame. Lightweight folding table features gravity leg locks, non-scratching floor grips, and durable powder coated legs. Meets ANSI/BIFMA safety standards."
Iceberg Lightweight Rectangular Folding Table - 72" x 30"
"Iceberg IndestrucTable series 72" x 30" rectangular folding table is constructed with a steel reinforced high-density polyethylene top and a heavy-duty steel frame. Folding table features a smooth writing surface inlay and flush folding legs with powder coat finish. Table supports up to 1500 lbs, evenly distributed."
These tables can be found at nationalbusinessfurniture.com