From The Collaborative International Dictionary of English v.0.48:

Industry \In"dus*try\, n.; pl. Industries. [L. industria, cf.
   industrius diligent; of uncertain origin: cf. F. industrie.]
   [1913 Webster]
   1. Habitual diligence in any employment or pursuit, either
      bodily or mental; steady attention to business; assiduity;
      -- opposed to sloth and idleness; as, industry pays
      debts, while idleness or despair will increase them.
      [1913 Webster]

            We are more industrious than our forefathers,
            because in the present times the funds destined for
            the maintenance of industry are much greater in
            proportion to those which are likely to be employed
            in the maintenance of idleness, than they were two
            or three centuries ago.               --A. Smith.
      [1913 Webster]

   2. Any department or branch of art, occupation, or business;
      especially, one which employs much labor and capital and
      is a distinct branch of trade; as, the sugar industry; the
      iron industry; the cotton industry.
      [1913 Webster]

   3. (Polit. Econ.) Human exertion of any kind employed for the
      creation of value, and regarded by some as a species of
      capital or wealth; labor.

   Syn: Diligence; assiduity; perseverance; activity;
        laboriousness; attention. See Diligence.
        [1913 Webster]

From WordNet (r) 2.0:

industry
     n 1: the people or companies engaged in a particular kind of
          commercial enterprise; "each industry has its own trade
          publications"
     2: the organized action of making of goods and services for
        sale; "American industry is making increased use of
        computers to control production" [syn: manufacture]
     3: persevering determination to perform a task; "his diligence
        won him quick promotions"; "frugality and industry are
        still regarded as virtues" [syn: diligence, industriousness]

From Moby Thesaurus II by Grady Ward, 1.0:

161 Moby Thesaurus words for "industry":
   Aktiengesellschaft, activity, aktiebolag, application, ardor,
   assiduity, assiduousness, balance of trade, big business,
   body corporate, bulldog tenacity, business, business dealings,
   business establishment, bustle, cartel, chamber of commerce,
   combine, commerce, commercial affairs, commercial enterprise,
   commercial relations, compagnie, company, concentration, concern,
   conglomerate, conglomerate corporation, consolidating company,
   consortium, constancy, copartnership, corporate body, corporation,
   dealing, dealings, determination, diligence, dirty work,
   diversified corporation, dogged perseverance, doggedness,
   donkeywork, drudgery, dynamism, earnestness, effort, employment,
   endurance, energeticalness, energy, engrossment, enterprise,
   exertion, fag, fair trade, fatigue, fervor, fidelity, firm,
   free trade, grind, handiwork, handwork, holding company, house,
   hustle, indefatigability, industriousness, insistence, insistency,
   intercourse, joint-stock association, joint-stock company, labor,
   laboriousness, lick, lick of work, loyalty, manual labor,
   manufacture, market, marketing, mercantile business, merchantry,
   moil, multilateral trade, obstinacy, operating company, pains,
   painstaking, painstakingness, partnership, patience,
   patience of Job, permanence, perseverance, persistence,
   persistency, pertinaciousness, pertinacity, plodding, plugging,
   plunderbund, pool, preoccupation, production, public utility,
   rat race, reciprocal trade, relentlessness, resolution,
   restraint of trade, scut work, sedulity, sedulousness,
   single-mindedness, singleness of purpose, slavery, slogging,
   small business, spadework, stability, stamina, staying power,
   steadfastness, steadiness, stick-to-itiveness, stock company,
   strenuousness, stroke, stroke of work, stubbornness, sweat,
   syndicate, task, tenaciousness, tenacity, the business world,
   the marketplace, thoroughgoingness, thoroughness, tirelessness,
   tiresome work, toil, trade, trade association, traffic, travail,
   treadmill, truck, trust, unilateral trade, unremittingness,
   unsparingness, unswerving attention, utility, vehemence, vigor,
   work, zealousness

From U.S. Gazetteer (1990):

Industry, CA (city, FIPS 36490)
  Location: 34.01340 N, 117.92154 W
  Population (1990): 631 (139 housing units)
  Area: 30.0 sq km (land), 0.5 sq km (water)
  Zip code(s): 91744
Industry, IL (village, FIPS 37439)
  Location: 40.32723 N, 90.60800 W
  Population (1990): 571 (245 housing units)
  Area: 1.2 sq km (land), 0.0 sq km (water)
  Zip code(s): 61440
Industry, PA (borough, FIPS 36944)
  Location: 40.65595 N, 80.40975 W
  Population (1990): 2124 (792 housing units)
  Area: 24.5 sq km (land), 1.9 sq km (water)
  Zip code(s): 15052
Industry, TX
  Zip code(s): 78944

From U.S. Gazetteer Places (2000):

Industry, CA -- U.S. city in California
   Population (2000):    777
   Housing Units (2000): 124
   Land area (2000):     11.715453 sq. miles (30.342882 sq. km)
   Water area (2000):    0.177850 sq. miles (0.460630 sq. km)
   Total area (2000):    11.893303 sq. miles (30.803512 sq. km)
   FIPS code:            36490
   Located within:       California (CA), FIPS 06
   Location:             34.015778 N, 117.950804 W
   ZIP Codes (1990):     91744
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Industry, CA
    Industry

From U.S. Gazetteer Places (2000):

Industry, IL -- U.S. village in Illinois
   Population (2000):    540
   Housing Units (2000): 223
   Land area (2000):     0.471115 sq. miles (1.220181 sq. km)
   Water area (2000):    0.000668 sq. miles (0.001731 sq. km)
   Total area (2000):    0.471783 sq. miles (1.221912 sq. km)
   FIPS code:            37439
   Located within:       Illinois (IL), FIPS 17
   Location:             40.326600 N, 90.606499 W
   ZIP Codes (1990):     61440
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Industry, IL
    Industry

From U.S. Gazetteer Places (2000):

Industry, PA -- U.S. borough in Pennsylvania
   Population (2000):    1921
   Housing Units (2000): 816
   Land area (2000):     9.841635 sq. miles (25.489716 sq. km)
   Water area (2000):    0.720393 sq. miles (1.865808 sq. km)
   Total area (2000):    10.562028 sq. miles (27.355524 sq. km)
   FIPS code:            36944
   Located within:       Pennsylvania (PA), FIPS 42
   Location:             40.656017 N, 80.409538 W
   ZIP Codes (1990):     15052
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Industry, PA
    Industry

From U.S. Gazetteer Places (2000):

Industry, TX -- U.S. city in Texas
   Population (2000):    304
   Housing Units (2000): 142
   Land area (2000):     1.044782 sq. miles (2.705973 sq. km)
   Water area (2000):    0.021992 sq. miles (0.056960 sq. km)
   Total area (2000):    1.066774 sq. miles (2.762933 sq. km)
   FIPS code:            35984
   Located within:       Texas (TX), FIPS 48
   Location:             29.972597 N, 96.502529 W
   ZIP Codes (1990):     78944
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Industry, TX
    Industry