Industrial building

Orr Iron Company (Vanderburgh County, Indiana)
Orton Memorial Laboratory (Franklin County, Ohio)
Otis Company Mill No. 1 (Hampshire County, Massachusetts)
Otis Elevator Company Building (San Francisco County, California)
Owens-Brockway Glass Zanesville Plant (Muskingum County, Ohio)
Zanesville Location for Owens-Illinois' glass making empire
P.H. Hanes Knitting Company (Forsyth County, North Carolina)
Pabst Brewing Company Complex (Milwaukee County, Wisconsin)
Campus of former Pabst Brewery, now redeveloping into a hip and trendy neighborhood
Pacific Coast Biscuit Company Building (Multnomah County, Oregon)
Packard Motor Corporation Building (Philadelphia County, Pennsylvania)
Pacolet Mills Cloth Room and Warehouse (Spartanburg County, South Carolina)
Historic textile mill building in Pacolet, SC
PAD Factory, The (Essex County, New York)
Palm Beach Daily News Building (Palm Beach County, Florida)
Palmetto Compress and Warehouse Company Building (Richland County, South Carolina)
Pamplin Pipe Factory (Appomattox County, Virginia)
Paramount Knitting Company Mill (Dodge County, Wisconsin)
Industrial building, once powered by the Beaver Dam River, converted to apartments
Parkin Ice Cream Company (Wood County, Wisconsin)
Former ice cream factory repurposed as a restaurant/brew pub.
Parks-Cramer Company Complex, Former (Mecklenburg County, North Carolina)
Patten Building (Washington County, Maine)
Pawtuxet Valley Dyeing Company (Kent County, Rhode Island)
Pearl Steam Laundry (Vanderburgh County, Indiana)
Peck, Stow & Wilcox Factory (Hartford County, Connecticut)
Peerless Motor Company Plant No. 1 (Cuyahoga County, Ohio)
Pejepscot Paper Company (Sagadahoc County, Maine)
Peltier Glass Company (LaSalle County, Illinois)
factory for glass, stained glass, and marbles
Pendleton Flour Mills (Umatilla County, Oregon)
Large scale grain milling plant established in 1920
Pendleton Woolen Mills (Umatilla County, Oregon)
Woolen mill built in 1909
Pennsylvania Match Company (Centre County, Pennsylvania)
Perkins Buildings (Providence County, Rhode Island)
Pewabic Pottery (Wayne County, Michigan)
Philip H. Kasper Cheese Factory (Waupaca County, Wisconsin)
Philip Reading Tannery (New Castle County, Delaware)
Phillips Insulated Wire Company Complex (Providence County, Rhode Island)
Piedmont Buggy Factory (Union County, North Carolina)
Piedmont Wagon Company (Catawba County, North Carolina)
Pierce Organ Pipe Factory (Middlesex County, Massachusetts)
Demolished October 14, 2011
Pilgrim Furniture Company Factory (Ulster County, New York)
Pine Street Creamery, (Former) (Wake County, North Carolina)
Pioneer Trunk Factory--C. A. Malm & Co. (San Francisco County, California)
Pittsfield Coal Gas Company Gasholder (Berkshire County, Massachusetts)
Brick gasholder house, third largest in New England
Planter's Exchange, Inc. (Gadsden County, Florida)
Pomeroy and Pelton Tobacco Warehouse (Rock County, Wisconsin)
Port Gibson Oil Works Mill Building (Claiborne County, Mississippi)
Porter Screen Company (Chittenden County, Vermont)
Portland Bottling Company Plant (Multnomah County, Oregon)
Streamline Moderne industrial plant built 1941
Portland Cordage Company Building (Multnomah County, Oregon)
Portland Packing Company Factory (Cumberland County, Maine)
Potosi Brewery (Grant County, Wisconsin)
Poughkeepsie Underwear Factory (Dutchess County, New York)
Power Building (Hamilton County, Ohio)
Pratt, Read and Company Factory Complex (Middlesex County, Connecticut)
Prentice Co-operative Creamery Company (Price County, Wisconsin)
Building that was home to several industries, including a cooperative dairy
Producers Ice and Manufacturing Company (Greene County, Missouri)
Progress Lighting Manufacturing Company (Philadelphia County, Pennsylvania)
Providence Steel and Iron Company Complex (Providence County, Rhode Island)
Prudden Wheel Company Building (Ingham County, Michigan)
Factory rennovated to serve as lofts.
Prysmian Tower (Abbeville County, South Carolina)
Tallest Building in South Carolina
Puerner Block-Breunig's Brewery (Jefferson County, Wisconsin)
Former brewery complex serving several different businesses
Pultz & Walkley Company (Hartford County, Connecticut)
Punta Gorda Ice Plant (Charlotte County, Florida)
Quaker Oats Cereal Factory (Summit County, Ohio)
Quickstad Farm Implement Company (Fillmore County, Minnesota)
Quinnipiac Brewery (New Haven County, Connecticut)
Randall Davey House (Santa Fe County, New Mexico)
Reading Hardware Company Butt Works (Berks County, Pennsylvania)
Record Printing and Box Company Building (Calhoun County, Michigan)
Red Wing Iron Works (Goodhue County, Minnesota)
Reed and Barton Complex (Bristol County, Massachusetts)
Remar Bakery (Alameda County, California)
Reversible Collar Company Building (Middlesex County, Massachusetts)
Reymer Brothers Candy Factory (Allegheny County, Pennsylvania)
Reynold's Candy Company Building (New Castle County, Delaware)
Rhode Island Tool Company (Providence County, Rhode Island)
Rice Tobacco Factory (Muhlenberg County, Kentucky)
Rich-McCormick Woolen Factory (Clinton County, Pennsylvania)
Richmond Paper Company Mill Complex (Providence County, Rhode Island)
Richmond Underwear Company Building (Chittenden County, Vermont)
Riddle Block #5 (Portage County, Ohio)
Rieger's, C., Sons Factory (Bronx County, New York)
Ritchie Building (Norfolk County, Massachusetts)
Rivulet Mill Complex (Worcester County, Massachusetts)
Roak Block (Androscoggin County, Maine)
Robbins & Appleton Building (New York County, New York)
Roberts and Mander Stove Company Buildings (Montgomery County, Pennsylvania)
Robertson Paper Company Complex (Windham County, Vermont)
Robinson Building No. 1 (Bristol County, Massachusetts)
Robinson, P., Fur Cutting Company (Fairfield County, Connecticut)
Rock Hill Body Company (York County, South Carolina)
Rock Hill Cotton Factory (York County, South Carolina)
Rock Hill Printing and Finishing Company (York County, South Carolina)
Rodgers--Wade Furniture Company (Lamar County, Texas)
Roebling Machine Shop (Mercer County, New Jersey)
Rogers Milk Plant Building (Benton County, Arkansas)
Rombro Building (Baltimore, Maryland)
Rood Candy Company Building (Pueblo County, Colorado)
Rookwood Pottery (Hamilton County, Ohio)
Root and McBride-Bradley Building (Cuyahoga County, Ohio)
Roscoe Butter and Cheese Factory (Goodhue County, Minnesota)
Roth Cigar Factory (Sarasota County, Florida)
Roxbury Gas Light Company (Suffolk County, Massachusetts)
Gasholder now used as a hotel.
Royal Baking Company (Wake County, North Carolina)
Royal Brewery (Honolulu County, Hawaii)
Royal Mill Complex (Kent County, Rhode Island)
Royal Typewriter Company Building (Hartford County, Connecticut)
Burned July 12, 1992
Royalton Mill Complex (Windsor County, Vermont)
Rushford Wagon and Carriage Company (Fillmore County, Minnesota)
Russia Wharf Buildings (Suffolk County, Massachusetts)
S.J. Nissen Building (Forsyth County, North Carolina)
Sacco-Pettee Machine Shops (Middlesex County, Massachusetts)
Sachs and Pruden Ale Company Building (Montgomery County, Ohio)
Sagamore Mill No. 2 (Bristol County, Massachusetts)
Sagamore Mills No. 1 and No. 3 (Bristol County, Massachusetts)
Sail Loft (Knox County, Maine)
Salisbury Factory Building (Worcester County, Massachusetts)
Salisbury Factory Building (Worcester County, Massachusetts)
Sally Ann Furnace Complex (Berks County, Pennsylvania)
Samoa Pulp Mill (Humboldt County, California)
Wood pulp mill opened in 1965
San Francisco Gaslight Company (San Francisco County, California)
Romanesque Revival style coal gasification plant built in 1893
San Marcos Milling Company (Hays County, Texas)
Sanford Spinning Co. (Bristol County, Massachusetts)
Sanford Whip Factory (Hampden County, Massachusetts)
Sanitary Laundry Company Building (Baltimore, Maryland)
Sanitol Building (St. Louis, Missouri)
Sawyer Stores (Yellowstone County, Montana)
Saxapahaw Spinning Mill, Former (Alamance County, North Carolina)
Schoenstein and Company Pipe Organ Factory (San Francisco County, California)
Schoverling, Carl F., Tobacco Warehouse (Litchfield County, Connecticut)
Seaboard Milling Company (Lee County, North Carolina)
Searle, Gardner & Company Factory (Rensselaer County, New York)
Seiling Milling Company (Dewey County, Oklahoma)
Selig Company Building (Fulton County, Georgia)
Selle Gear Company (Summit County, Ohio)
Selleck, Sylvanus, Gristmill (Fairfield County, Connecticut)
Seneca Glass Company Building (Monongalia County, West Virginia)
Sewall Paint and Glass Company Building (Jackson County, Missouri)
Sewell Manufacturing Company (Haralson County, Georgia)
Seybold Baking Company Factory (Volusia County, Florida)
Shady Lawn Creamery (Walla Walla County, Washington)
Wood frame commercial buildings built circa 1870
Sharples Separator Works (Chester County, Pennsylvania)
Sheboygan Valley Land and Lime Company (Sheboygan County, Wisconsin)
Sherlock Building (Multnomah County, Oregon)
Shoe Shop-Doucette Ten Footer (Middlesex County, Massachusetts)
Shoop Building (Racine County, Wisconsin)
Silver Bow Brewery Malt House (Silver Bow County, Montana)
Simmons Hardware Company Warehouse (Woodbury County, Iowa)
Sioux City Linseed Oil Works (Woodbury County, Iowa)
Skora Building (Vanderburgh County, Indiana)
Slater Cigar Company (Lancaster County, Pennsylvania)
Smaltz Building (Philadelphia County, Pennsylvania)
Smelter Machine Shop (Yavapai County, Arizona)
Smith, F.W., Silver Company (Worcester County, Massachusetts)
Smith, Fleming, Warehouse (New York County, New York)
Smith, H. D., Company Building (Hartford County, Connecticut)
Snead Manufacturing Building (Jefferson County, Kentucky)
Snellenburg's Clothing Factory (Philadelphia County, Pennsylvania)
Sohmer and Company Piano Factory (Queens County, New York)
Solla-Carcaba Cigar Factory (St. Johns County, Florida)
Sonneborn Building (Baltimore, Maryland)
South Bend Brewing Association (St. Joseph County, Indiana)
South Park Lager Beer Brewery (Park County, Colorado)
Southern Bagging Company (Norfolk, Virginia)
Southern Belting Company Building (Fulton County, Georgia)
Southern Bleachery and Print Works (Greenville County, South Carolina)
Southern Cotton Oil Co. (Franklin County, Georgia)
Southern Engine and Boiler Works (Madison County, Tennessee)
Southern Ice and Cold Storage Company (Pittsburg County, Oklahoma)
Southern Spring Bed Company (Fulton County, Georgia)
Southern Stove Works (Richmond, Virginia)
Southwestern Brewery and Ice Company (Bernalillo County, New Mexico)
Spaulding Manufacturing Company (Poweshiek County, Iowa)
Speedwell Village--The Factory (Morris County, New Jersey)
Spellman Granite Works (Sauk County, Wisconsin)
Spring Mill Complex (Chester County, Pennsylvania)